DOCSLIB.ORG

7Zip File Download 7Zip File Download

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
7Zip File Download 7Zip File Download 7zip file download 7zip file download. Manipulate file archives with this open-source tool that supports several formats. Category File Compression Program license Free Version 19.00 Size 1.11 MB Works under: Windows 7 Program available in English Program by Igor Pavlov. Created originally to simply compress data files, the 7-Zip file archiving utility still efficiently shrinks files in size, but the program has evolved somewhat over the years. Above and beyond this primary feature, the software also manages archived data and encrypts each archive, so security is assured by a 256 bit AES algorithm when this facility is selected. Additionally, the size-reducing utility uses its own proprietary 7z compression format, one that can be used to build self-extracting archives. The 7-Zip downloader is as compact as one of the archives it creates, so the software downloads rapidly. It's also free to use and comprehensively supported by an open source community. Next, the user interface is gratifyingly uncluttered, yet every feature lies only a single mouse click away. The main features include compression, extraction, archive splitting, testing of compressed files, encryption, and many of the file management tools modern computer users take for granted. With this fact in mind, the copying, moving, and deletion of an archive is easily accomplished. On still holding a light to the main window, the interface uses a traditional layout, one that places commonly used tools on an upper menu strip and lists files within a large main window. Reminiscent of Windows Explorer or an Internet browser, this approach yields fast results due to its intuitive design. It's from this main window that all currently active and archived data files are manipulated. The software supports other compression types as well as its own 7Z format, but the homespun format does incorporate a file reducing engine that boasts a significantly higher compression ratio than some other compression standards in this class. This feature alone makes the program a tempting proposition, especially when hard drive space is limited or an ISP allows only small attachments on emails. A comprehensive feature set does make 7-Zip a leader among its peers, and this level of finite control is achieved without making the program top- heavy. Quite the opposite, in fact, for this file archiver avoids messy workflows and keeps its interface clean. User-friendly by design, first-time customers quickly get to grips with the layout and functions of the software, so this program is well-suited for non-computer savvy types, which represents a real advantage considering all of the code manipulation going on beneath the surface. Indeed, this popular file shrinker seamlessly works naturally with its own 7z format, plus it can pack and unpack files that have been created with the TAR and ZIP compression format. Classed as an undoubtedly versatile data archiving utility, 7-Zip is available as either a 32-bit or 64-bit download. 7zip file download. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. What can I do to prevent this in the future? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Another way to prevent getting this page in the future is to use Privacy Pass. You may need to download version 2.0 now from the Chrome Web Store. Cloudflare Ray ID: 67d29dca7d46848c • Your IP : 188.246.226.140 • Performance & security by Cloudflare. How to Download a zip File. A file can become too big to either store conveniently, send quickly through e-mail or download from a website. This is especially true if it contains a program or video. Many e-mail programs limit the size of file attachments as well. For example, Gmail allows a maximum message size of 25MB. (REFERENCE 1) In such cases, a program such as WinZip can compress the file to reduce its size. Step 1. (REFERENCE 2) Right-click the zip file link and choose "Save Link As" from the popup. The "Save" dialogue appears. The "File Name" box should reveal a title ending in the zip extension such as "myvideo.zip." If the box shows an extension ending in a number such as "myvideo.z01," you have a split zip file, which consists of several sequentially numbered extensions with the same name such as "myvideo.z02" and "myvideo.z03." You need to download all the pieces for later assembly. (REFERENCE 3) Step 2. Navigate to the folder where you'll store the file or files you're downloading. If you are downloading split zip pieces, make sure all the parts go into the same folder. Enter a new file name or accept the default one and click "Save" to download the file to your computer. Step 3. Download, install and run an unzip program such as the free 7-Zip or the commercial WinZip, both of which are linked under Resources. Open the zip file through the program to restore it to its original size. If you have split files, the application may only reveal the first one in the sequence. However, as long as all pieces are under the same directory, you can select the first one to automatically rejoin all the parts and decompress the assembled original. Download 7Zip free and open-source file archiver. Here you can download a free 7Zip archiver for Windows, macOS, and Linux. 7zip source code, LZMA SDK, and some extra 7zip tools are also available for download here. 7zip for Windows. 7zip for 64-bit Windows. The most common way to install 7zip on 64-bit Windows. The alternative .msi installer for 64-bit Windows if you prefer .msi for some reason. 7zip for 32-bit Windows. The most common way to install 7zip on 32-bit Windows. The alternative .msi installer for 32-bit Windows if you prefer .msi for some reason. Easy 7-Zip. Briefly speaking, Easy 7-Zip is an easy-to-use version of 7-Zip. Originally, Easy 7-Zip was built based on 7-Zip 9.20. I kept all features of 7-Zip and added a few useful features that makes the software more user-friendly. Recently, 7-Zip upgraded to 16.04. So, I moved codes to the version. 7-Zip is a free and great file decompression and compression software that handles 7z, AR, ARJ, BZIP2, CAB, CHM, CPIO, CramFS, DEB, DMG, EXT, FAT, GPT, GZIP, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RAR5, RPM, SquashFS, TAR, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR, XZ, Z, ZIP, and ZIPX archives. 7-Zip was developed by Igor Pavlov. Why did I make Easy 7-Zip? 7-Zip is a great file archive freeware. I love the software very much. Thank Igor Pavlov! However, when I used the 7-Zip frequently, I thought the software could be better. So, I downloaded source code of 7-Zip and, studied and modified the code in my leisure time, and made the Easy 7- Zip. I hope the Easy 7-Zip is useful for everybody. What features were added to Easy 7-Zip? 1. Adds icons to context menu. * Note: just for 7-Zip 9.20. The latest version (16.04) of 7-Zip has added the feature. When I was using WinZip or WinRAR, I can easily find menu items of WinZip or WinRAR in context menu of Explorer. As there are icons with the menu items. However, 7-Zip doesn't offer the feature. So I decided to add the feature first. When it's done, the context menu looks like the following screen shots. Adds icons to context menu. Adds icons to cascaded context menu. 2. Adds options to Extract dialog. I added 4 features to the extract dialog in 7-Zip File Manager. Button "Open" : Easy 7-Zip will open output folder when clicking on the button. So you can easily view files or directories in the folder by a click. Button "Filename" : When the button is clicked, Easy 7-Zip adds file name to end of output folder so that the program will create folder of file name and extract files to the folder. For example, file name is sample.7z, output folder is D:\Output, when clicking the button, the output folder will be D:\Output\sample, and all files will be outputted to the folder. Show free and total space of output drive . It's useful for large file. Options "After extraction completes successfully": Open output folder : If the option is checked, Easy 7-Zip opens output folder after extraction. So that you can locate to the output files easily. Delete source archive : Delete source archive after extraction completes successfully. If any errors happen while extracting, for example, wrong password, the Easy 7-Zip won't delete the source archive. Close 7-Zip : Close 7-Zip after extraction. Extract dialog of context menu was changed to something like screen shot below. 3. Keeps same output folder history. 7-Zip uses separated output folder history for extract dialog of 7-Zip File Manager and context menu. However, we probably use either way to extract file and we can't find output folder history of another. I made Easy 7-Zip uses same output folder history for the both extract dialogs and extends number of output folder history up to 30.
Load more

Recommended publications
  • Application of Bagit-Serialized Research Object Bundles for Packaging and Re-Execution of Computational Analyses
    Application of BagIt-Serialized Research Object Bundles for Packaging and Re-execution of Computational Analyses Kyle Chard Bertram Ludascher¨ Thomas Thelen Computation Institute School of Information Sciences NCEAS University of Chicago University of Illinois at Urbana-Champaign University of California at Santa Barbara Chicago, IL Champaign, IL Santa Barbara, CA [email protected] [email protected] [email protected] Niall Gaffney Jarek Nabrzyski Matthew J. Turk Texas Advanced Computing Center Center for Research Computing School of Information Sciences University of Texas at Austin University of Notre Dame University of Illinois at Urbana-Champaign Austin, TX South Bend, IN Champaign, IL [email protected] [email protected] [email protected] Matthew B. Jones Victoria Stodden Craig Willisy NCEAS School of Information Sciences NCSA University of California at Santa Barbara University of Illinois at Urbana-Champaign University of Illinois at Urbana-Champaign Santa Barbara, CA Champaign, IL Champaign, IL [email protected] [email protected] [email protected] Kacper Kowalik Ian Taylor yCorresponding author NCSA Center for Research Computing University of Illinois at Urbana-Champaign University of Notre Dame Champaign, IL South Bend, IN [email protected] [email protected] Abstract—In this paper we describe our experience adopting and can be used for verification of computational reproducibil- the Research Object Bundle (RO-Bundle) format with BagIt ity, for example as part of the peer-review process. serialization (BagIt-RO) for the design and implementation of Since its inception, the Whole Tale platform has been “tales” in the Whole Tale platform. A tale is an executable research object intended for the dissemination of computational designed to bring together existing open science infrastructure.
    [Show full text]
  • Improved Neural Network Based General-Purpose Lossless Compression Mohit Goyal, Kedar Tatwawadi, Shubham Chandak, Idoia Ochoa
    JOURNAL OF LATEX CLASS FILES, VOL. 14, NO. 8, AUGUST 2015 1 DZip: improved neural network based general-purpose lossless compression Mohit Goyal, Kedar Tatwawadi, Shubham Chandak, Idoia Ochoa Abstract—We consider lossless compression based on statistical [4], [5] and generative modeling [6]). Neural network based data modeling followed by prediction-based encoding, where an models can typically learn highly complex patterns in the data accurate statistical model for the input data leads to substantial much better than traditional finite context and Markov models, improvements in compression. We propose DZip, a general- purpose compressor for sequential data that exploits the well- leading to significantly lower prediction error (measured as known modeling capabilities of neural networks (NNs) for pre- log-loss or perplexity [4]). This has led to the development of diction, followed by arithmetic coding. DZip uses a novel hybrid several compressors using neural networks as predictors [7]– architecture based on adaptive and semi-adaptive training. Unlike [9], including the recently proposed LSTM-Compress [10], most NN based compressors, DZip does not require additional NNCP [11] and DecMac [12]. Most of the previous works, training data and is not restricted to specific data types. The proposed compressor outperforms general-purpose compressors however, have been tailored for compression of certain data such as Gzip (29% size reduction on average) and 7zip (12% size types (e.g., text [12] [13] or images [14], [15]), where the reduction on average) on a variety of real datasets, achieves near- prediction model is trained in a supervised framework on optimal compression on synthetic datasets, and performs close to separate training data or the model architecture is tuned for specialized compressors for large sequence lengths, without any the specific data type.
    [Show full text]
  • My Sons Postponed to March 18-19 Artist Series Please: Return Those Books!
    » LWA Darlings Don Colonial Garb for Minuet Ans^nsçhuetz, Bekkdal, Jensen and Ladw ig Lib*.Ire Honored at Traditional Banquet A dainty Mozart minuet intro-1 duced Lawrence college’s four Best tian. president of the Spanish Loved senior women at the annual club. « colonial banquet last Monday eve­ Tekla Bekkedal as vice-president ning in the dining hall of the First of the Student Christian association, Congregational church. Chosen for the Best Loved honor this year and is active in the International were Mary Anschuetz, Tekla Bek- Relations club, the German club kedal, Mary Ellen Jensen and Joan tind on The Lawrentian staff. She Ladwig. Complete with powdered wras chosen for membership in hair, they were dressed in tradi­ Sigrna, underclass scholastic group, tional colonial costumes of George and is now a counselor to freshman and Martha Washington and James women. and Dolly Madison. Miss Jensen is yico-president and The best loved tradition, which Pled*e mistress of Alpha Chi Ome- has been observed for more than 20 *?a- ^lcr social sorority, and also is years, is sponsored by the Lawrencei^fHiated w'ith Sigma Alpha Iota, Women’s association, under the so- professional music sorority. A music Cial chairmanship this year of Viv- major, she sings in the college con- ia n Grady and Betty Wheeler. V iv - cert choir and plays in several in- ia n was toastmistress for the ban- strumental groups. Last fall she was quet and Mrs. Kenneth Davis, Ap-¡chosen attendant to the homecom- pleton. a Best Loved in 1947, gave ¡ ‘ " 8 queen and she has also served a toast to the new electees and pre- as a counselor to freshman women, tented them with small bracelets on! Best Loved banquets are not behalf of last year’s group.
    [Show full text]
  • Real Time Operating Systems Rootfs Creation: Summing Up
    Real Time Operating Systems RootFS Creation: Summing Up Luca Abeni Real Time Operating Systems – p. System Boot System boot → the CPU starts executing from a well-known address ROM address: BIOS → read the first sector on the boot device, and executes it Bootloader (GRUB, LILO, U-Boot, . .) In general, load a kernel and an “intial ram disk” The initial fs image isn’t always needed (example: netboot) Kernel: from arm-test-*.tar.gz Initial filesystem? Loaded in RAM without the kernel help Generally contains the boot scripts and binaries Real Time Operating Systems – p. Initial Filesystem Old (2.4) kernels: Init Ram Disk (initrd); New (2.6) kernels: Init Ram Filesystem (initramfs) Generally used for modularized disk and FS drivers Example: if IDE drivers and Ext2 FS are modules (not inside the kernel), how can the kernel load them from disk? Solution: boot drivers can be on initrd / initramfs The bootloader loads it from disk with the kernel The kernel creates a “fake” fs based on it Modules are loaded from it Embedded systems can use initial FS for all the binaries Qemu does not need a bootloader to load kernel and initial FS (-kernel and -initrd) Real Time Operating Systems – p. Init Ram Filesystem Used in 2.6 kernels It is only a RAM FS: no real filesystem metadata on a storage medium All the files that must populate the FS are stored in a cpio package (similar to tar or zip file) The bootloader loads the cpio file in ram At boot time, the kernel “uncompresses” it, creating the RAM FS, and populating it with the files contained in the archive The cpio archive can be created by using the cpio -o -H newc command (see man cpio) Full command line: find .
    [Show full text]
  • CA SOLVE:FTS Installation Guide
    CA SOLVE:FTS Installation Guide Release 12.1 This Documentation, which includes embedded help systems and electronically distributed materials, (hereinafter referred to as the “Documentation”) is for your informational purposes only and is subject to change or withdrawal by CA at any time. This Documentation may not be copied, transferred, reproduced, disclosed, modified or duplicated, in whole or in part, without the prior written consent of CA. This Documentation is confidential and proprietary information of CA and may not be disclosed by you or used for any purpose other than as may be permitted in (i) a separate agreement between you and CA governing your use of the CA software to which the Documentation relates; or (ii) a separate confidentiality agreement between you and CA. Notwithstanding the foregoing, if you are a licensed user of the software product(s) addressed in the Documentation, you may print or otherwise make available a reasonable number of copies of the Documentation for internal use by you and your employees in connection with that software, provided that all CA copyright notices and legends are affixed to each reproduced copy. The right to print or otherwise make available copies of the Documentation is limited to the period during which the applicable license for such software remains in full force and effect. Should the license terminate for any reason, it is your responsibility to certify in writing to CA that all copies and partial copies of the Documentation have been returned to CA or destroyed. TO THE EXTENT PERMITTED BY APPLICABLE LAW, CA PROVIDES THIS DOCUMENTATION “AS IS” WITHOUT WARRANTY OF ANY KIND, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NONINFRINGEMENT.
    [Show full text]
  • Bagit File Packaging Format (V0.97) Draft-Kunze-Bagit-07.Txt
    Network Working Group A. Boyko Internet-Draft Expires: October 4, 2012 J. Kunze California Digital Library J. Littman L. Madden Library of Congress B. Vargas April 2, 2012 The BagIt File Packaging Format (V0.97) draft-kunze-bagit-07.txt Abstract This document specifies BagIt, a hierarchical file packaging format for storage and transfer of arbitrary digital content. A "bag" has just enough structure to enclose descriptive "tags" and a "payload" but does not require knowledge of the payload's internal semantics. This BagIt format should be suitable for disk-based or network-based storage and transfer. Status of this Memo This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at http://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." This Internet-Draft will expire on October 4, 2012. Copyright Notice Copyright (c) 2012 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of Boyko, et al.
    [Show full text]
  • Lossless Compression of Internal Files in Parallel Reservoir Simulation
    Lossless Compression of Internal Files in Parallel Reservoir Simulation Suha Kayum Marcin Rogowski Florian Mannuss 9/26/2019 Outline • I/O Challenges in Reservoir Simulation • Evaluation of Compression Algorithms on Reservoir Simulation Data • Real-world application - Constraints - Algorithm - Results • Conclusions 2 Challenge Reservoir simulation 1 3 Reservoir Simulation • Largest field in the world are represented as 50 million – 1 billion grid block models • Each runs takes hours on 500-5000 cores • Calibrating the model requires 100s of runs and sophisticated methods • “History matched” model is only a beginning 4 Files in Reservoir Simulation • Internal Files • Input / Output Files - Interact with pre- & post-processing tools Date Restart/Checkpoint Files 5 Reservoir Simulation in Saudi Aramco • 100’000+ simulations annually • The largest simulation of 10 billion cells • Currently multiple machines in TOP500 • Petabytes of storage required 600x • Resources are Finite • File Compression is one solution 50x 6 Compression algorithm evaluation 2 7 Compression ratio Tested a number of algorithms on a GRID restart file for two models 4 - Model A – 77.3 million active grid blocks 3.5 - Model K – 8.7 million active grid blocks 3 - 15.6 GB and 7.2 GB respectively 2.5 2 Compression ratio is between 1.5 1 compression ratio compression - From 2.27 for snappy (Model A) 0.5 0 - Up to 3.5 for bzip2 -9 (Model K) Model A Model K lz4 snappy gzip -1 gzip -9 bzip2 -1 bzip2 -9 8 Compression speed • LZ4 and Snappy significantly outperformed other algorithms
    [Show full text]
  • The Ark Handbook
    The Ark Handbook Matt Johnston Henrique Pinto Ragnar Thomsen The Ark Handbook 2 Contents 1 Introduction 5 2 Using Ark 6 2.1 Opening Archives . .6 2.1.1 Archive Operations . .6 2.1.2 Archive Comments . .6 2.2 Working with Files . .7 2.2.1 Editing Files . .7 2.3 Extracting Files . .7 2.3.1 The Extract dialog . .8 2.4 Creating Archives and Adding Files . .8 2.4.1 Compression . .9 2.4.2 Password Protection . .9 2.4.3 Multi-volume Archive . 10 3 Using Ark in the Filemanager 11 4 Advanced Batch Mode 12 5 Credits and License 13 Abstract Ark is an archive manager by KDE. The Ark Handbook Chapter 1 Introduction Ark is a program for viewing, extracting, creating and modifying archives. Ark can handle vari- ous archive formats such as tar, gzip, bzip2, zip, rar, 7zip, xz, rpm, cab, deb, xar and AppImage (support for certain archive formats depends on the appropriate command-line programs being installed). In order to successfully use Ark, you need KDE Frameworks 5. The library libarchive version 3.1 or above is needed to handle most archive types, including tar, compressed tar, rpm, deb and cab archives. To handle other file formats, you need the appropriate command line programs, such as zipinfo, zip, unzip, rar, unrar, 7z, lsar, unar and lrzip. 5 The Ark Handbook Chapter 2 Using Ark 2.1 Opening Archives To open an archive in Ark, choose Open... (Ctrl+O) from the Archive menu. You can also open archive files by dragging and dropping from Dolphin.
    [Show full text]
  • How Do You Download Driver Fron 7 Zip Download Arduino and Install Arduino Driver
    how do you download driver fron 7 zip Download Arduino and install Arduino driver. You can direct download the latest version from this page: http://arduino.cc/en/Main/Software, When the download finishes, unzip the downloaded file. Make sure to preserve the folder structure. Double-click the folder to open it. There should be a few files and sub-folders inside. Connect Seeeduino to PC. Connect the Seeeduino board to your computer using the USB cable. The green power LED (labeled PWR) should go on. Install the driver. Installing drivers for the Seeeduino with window7. Plug in your board and wait for Windows to begin its driver installation process. After a few moments, the process will fail. Open the Device Manager by right clicking “My computer” and selecting control panel. Look under Ports (COM & LPT). You should see an open port named "USB Serial Port" Right click on the "USB Serial Port" and choose the "Update Driver Software" option. Next, choose the "Browse my computer for Driver software" option. Finally, select the driver file named "FTDI USB Drivers", located in the "Drivers" folder of the Arduino Software download. Note: the FTDI USB Drivers are from Arduino. But when you install drivers for other Controllers, such as Xadow Main Board, Seeeduino Clio, Seeeduino Lite, you need to download corresponding driver file and save it. And select the driver file you have downloaded. The below dialog boxes automatically appears if you have installed driver successfully. You can check that the drivers have been installed by opening the Windows Device Manager. Look for a "USB Serial Port" in the Ports section.
    [Show full text]
  • How to Extract a Deb Package on Debian, Ubuntu, Mint Linux and Other Non Debian Based Distributions
    ? Walking in Light with Christ - Faith, Computers, Freedom Free Software GNU Linux, FreeBSD, Unix, Windows, Mac OS - Hacks, Goodies, Tips and Tricks and The True Meaning of life http://www.pc-freak.net/blog How to extract a deb package on Debian, Ubuntu, Mint Linux and other non debian based distributions Author : admin How to extract a deb package? Have you ever had a debian .deb package which contains image files you need, but the dependencies doesn't allow you to install it on your Debian / Ubuntu / Mint Linux release? I had just recently downloaded the ultimate-edition-themes latest release v 0.0.7 a large pack of GNOME Themes and wanted to install it on my Debian Stretch Linux but I faced problems because of dependencies when trying to install with dpkg. That is why I took another appoarch and decided to only extract the necessery themes from the archive only with dpkg. Here is how I have extracted ultimate-edition-themes-.0.0.7_all.deb ; dpkg -x ultimate-edition-themes-.0.0.7_all.deb /tmp/ultimate-edition-themes 1 / 3 ? Walking in Light with Christ - Faith, Computers, Freedom Free Software GNU Linux, FreeBSD, Unix, Windows, Mac OS - Hacks, Goodies, Tips and Tricks and The True Meaning of life http://www.pc-freak.net/blog So how dpkg extracts the .deb file? Debian .deb packages are a regular more in Wikipedia - Unix archive files (ar) . The structure of a deb file consists of another 3 files (2 tar.gzs and one binary) as follows: debian-binary: regular text file, contains the version of the deb package format control.tar.gz: compressed file, contains file md5sums and control directory for the deb package data.tar.gz: compressed file, contains all the files which will be installed Basicly if you're on a Linux distribution that lacks dpkg you can easily extract .deb binary using GNU AR command (used to create, modify extract Unix ar files and is the GNU / Linux equivallent of the UNIX ar command).
    [Show full text]
  • Breaking Antivirus Software Joxean Koret, COSEINC 44CON, 2014
    Breaking Antivirus Software Joxean Koret, COSEINC 44CON, 2014 Breaking antivirus software Introduction Attacking antivirus engines Finding vulnerabilities Exploiting antivirus engines Antivirus vulnerabilities Conclusions Recommendations Antivirus Engines Common features of AV engines: Written in C/C++. Signatures based engine + heuristics. On-access scanners. Command line/GUI on-demand scanners. Support for compressed file archives. Support for packers. Support for miscellaneous file formats. Advanced common features: Packet filters and firewalls. Drivers to protect the product, anti-rootkits, etc... Anti-exploiting toolkits. Antivirus products or engines An antivirus engine is just the core, the kernel, of an antivirus product. Some antivirus engines are used by multiple products. For example, BitDefender is the most widely used antivirus kernel. It's used by so many products like QiHoo360, G-Data, eScan, F-Secure, etc... Most “big” antivirus companies have their own engine but not all. And some companies, like F-Secure, integrate 3rd party engines in their products. In general, during this talk I will refer to AV engines, to the kernels, except when specified the word “product”. Attack surface Fact: installing an application in your computer makes you a bit more vulnerable. You just increased your attack surface. If the application is local: your local attack surface increased. If the application is remote: your remote attack surface increased. If your application runs with the highest privileges, installs kernel drivers, a packet filter and tries to handle anything your computer may do... Your attack surface dramatically increased. Myths and reality Antivirus propaganda: “We make your computer safer with no performance penalty!” “We protect against unknown zero day attacks!”.
    [Show full text]
  • Bzip2 and Libbzip2, Version 1.0.8 a Program and Library for Data Compression
    bzip2 and libbzip2, version 1.0.8 A program and library for data compression Julian Seward, https://sourceware.org/bzip2/ bzip2 and libbzip2, version 1.0.8: A program and library for data compression by Julian Seward Version 1.0.8 of 13 July 2019 Copyright© 1996-2019 Julian Seward This program, bzip2, the associated library libbzip2, and all documentation, are copyright © 1996-2019 Julian Seward. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. • The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. • Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. • The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS- CLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    [Show full text]