TOPS-10 Operating System Commands Manual AA-0916F-TB
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Shell Scripting with Bash
Introduction to Shell Scripting with Bash Charles Jahnke Research Computing Services Information Services & Technology Topics for Today ● Introductions ● Basic Terminology ● How to get help ● Command-line vs. Scripting ● Variables ● Handling Arguments ● Standard I/O, Pipes, and Redirection ● Control Structures (loops and If statements) ● SCC Job Submission Example Research Computing Services Research Computing Services (RCS) A group within Information Services & Technology at Boston University provides computing, storage, and visualization resources and services to support research that has specialized or highly intensive computation, storage, bandwidth, or graphics requirements. Three Primary Services: ● Research Computation ● Research Visualization ● Research Consulting and Training Breadth of Research on the Shared Computing Cluster (SCC) Me ● Research Facilitator and Administrator ● Background in biomedical engineering, bioinformatics, and IT systems ● Offices on both CRC and BUMC ○ Most of our staff on the Charles River Campus, some dedicated to BUMC ● Contact: [email protected] You ● Who has experience programming? ● Using Linux? ● Using the Shared Computing Cluster (SCC)? Basic Terminology The Command-line The line on which commands are typed and passed to the shell. Username Hostname Current Directory [username@scc1 ~]$ Prompt Command Line (input) The Shell ● The interface between the user and the operating system ● Program that interprets and executes input ● Provides: ○ Built-in commands ○ Programming control structures ○ Environment -
1.Operating Systems Overview
OPERATING SYSTEMS OVERVIEW Contents O.S.Functions The Evolution of O.S. Characteristics of O.S. Basic hardware elements 1 Contents O.S.Components System calls O.S.Structure USER 1 USER 2 USER 3 USER n compiler text interpreter database editor system operating system computer hardware 2 Programming system components compilers loader linker comand interpreter (shell) … O.S. purposes to make a computer more convenient and easier to use to allow more efficient operations of the whole computer system 3 To simplify the program development The O.S. masks the details of the hardware from the programmer and provides the programmer with a convenient interface for using system resources (system calls) To simplify the program development Definition of an extended (virtual) machine 4 VIRTUAL MACHINE ES: DISK CONTROLLER commands: read, write, head motion, ecc… parameters: sector address, number of sectors for each track, ecc… state and error conditions 5 Hardware resource allocation Access to system resources must be controlled and conflicts for resource contention resolved Hardware resource allocation Any user should be provided with required resources, by following suitable policies 6 The details for the management of hardware resources must be hidden to users System calls provide the interface between the application programs and the O.S. 7 THE EVOLUTION OF O.S. Serial processing No O.S. Control by console Scheduling Setup time 8 Simple batch systems Monitor Resident in main memory Control of the program execution “batch” solution -
••••It•• G981 &911651, Elateferyl
DOC~D:j 4009J726 TOP SICRIT WaJUOl!JWaJl1 t?l!CBl!JrnVU~ £iJl]l!WIB~ (r(!JllJU ~(51]Uj~(5 ~" W15allDl5 f WaJUJ~l1wrnlD J / P . L . 86-36 . WHEN CENSORSHIP BACKFIRES ....... ; .. ;~ .... James Killough .. ,/. , 0 ••••• 1 IDESKPAD: A PROGRAMMER' s TOOL •••• _1:: :\ :: ,_,------!: <:; ·::::: ~ ,________ __, ,; .••••• 9 IN PRAISE OF SOLITS ..................... Louis C. Grant .... •...... 12 NOTES ON BLUE RUSSIAN .................. ~ f ...... 12 NATIONAL CRYPTOLOGIC SCHOOL OFFERS COURSE-EQUIVALENCY TESTS ..................................... 13 'f'lllS B00tiM~N'f eoN'FAtlNS CJOBIW9RB MAt'l'IRIAtL et J2 J t.1 BlltN8A/elle88 (N81'/e88M 111-1) ••••It•• G981 &911651, Elateferyl .TOP SECRET Bedawif) tfpou Nuliluiliw b1 tile 81 .... eclassified and Approved for Release by NSA on -10--1-1-20'1.2 pursuant to E.O. '13526. vlDR Case# 54778 DOCID: 4009726 TOP SECRET Published Monthly by Pl, Techniques and Standards, for the Personnel of Operations VOL . II , No • 11 NOVEMBER 1975 PUBLISHER WILLIAM LUTWINIAK BOARD OF EDITORS Editor in Chief ............ Arthur J. Salenune (5642s) Cryptanalysis ...•.......... .__ ______.ltlW25s} · · P.L. 86- 36 Language .•.....••.......... Emery W. Tetrault (5236s) Machine Support. ......... · I t33zl.~) Special Research ........... Vera R. Filby (7119s) Traffic Analysis .•.••..•••• Frederic 0. Mason, Jr. (4142s) For individual subscriptions send name and organizational designator to: CRYPTOLOG, Pl TOP SECRET DOCID: 4009726 'fOP SECRET t:rl'.4RRA Jiitt;J. GIZll!ll bww. 86-36 Theodore Shabad is one of the preeminent Ameri "director of a-plant," and another was a per can experts on Soviet physical and economic geogra son identified as First Secretary of "a City phy. He is the author of Geogruphy of the USSR Committee of the Communist Party." Both were (1951), Basia Industr>ial Resources of the USSR members of the Central Committee of the Tadzhik (1969), and China's Changing Map (1972). -
Technical Study Desktop Internationalization
Technical Study Desktop Internationalization NIC CH A E L T S T U D Y [This page intentionally left blank] X/Open Technical Study Desktop Internationalisation X/Open Company Ltd. December 1995, X/Open Company Limited All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright owners. X/Open Technical Study Desktop Internationalisation X/Open Document Number: E501 Published by X/Open Company Ltd., U.K. Any comments relating to the material contained in this document may be submitted to X/Open at: X/Open Company Limited Apex Plaza Forbury Road Reading Berkshire, RG1 1AX United Kingdom or by Electronic Mail to: [email protected] ii X/Open Technical Study (1995) Contents Chapter 1 Internationalisation.............................................................................. 1 1.1 Introduction ................................................................................................. 1 1.2 Character Sets and Encodings.................................................................. 2 1.3 The C Programming Language................................................................ 5 1.4 Internationalisation Support in POSIX .................................................. 6 1.5 Internationalisation Support in the X/Open CAE............................... 7 1.5.1 XPG4 Facilities......................................................................................... -
Excerpts of Chapters From
Excerpts of Chapters from A Practical Guide to Ubuntu Linux® FOURTH EDITION Mark G. Sobell ISBN-13: 978-0-13-392731-3 CopyrightExcerpt © 2015 Mark G. Sobell Upper Saddle River, NJ • Boston • Indianapolis • San Francisco New York • Toronto • Montreal • London • Munich • Paris • Madrid Capetown • Sydney • Tokyo • Singapore • Mexico City Blank Excerpt 3 Step-by-Step Installation 3Chapter3 In This Chapter Objectives Booting Ubuntu and Running a After reading this chapter you should be able to: Live Session. 56 Run a live session and use gnome-disks to view and Automatic Boot Sequence . 56 change disk partitioning Running a Live Session. 59 Install Ubuntu from a live session Installing from a Live Session . 60 Install Ubuntu using the Server Image Installing from the Desktop Modify system behavior using boot parameters Boot Menu . 61Excerpt Modify partitions during installation The ubiquity Graphical Installer. 61 The ubiquity Advanced Partitioning List the requirement and considerations for a dual- Screen. 67 boot configuration Advanced Installation. 71 Modifying Boot Parameters (Options) . 75 debian-installer: The Ubuntu Textual Installer . 78 gnome-disks: The GNOME Disk Utility . 88 Setting Up a Dual-Boot System . 91 5555 56 Chapter 3 Step-by-Step Installation Chapter 2 covered planning the installation of Ubuntu: determining the requirements; planning the layout of the hard disk; obtaining the files you need for the installation, including how to download and burn or write Desktop and Server Images to installa- tion media; and collecting information about the system. This chapter focuses on installing Ubuntu. Frequently the installation is quite simple, especially if you have done a good job of planning. -
HP T5545 Thin Client Overview
QuickSpecs HP t5545 Thin Client Overview Introduction The HP t5545 is a new addition to the HP thin client portfolio designed for mainstream business. The HP t5545 offers convenient access to Windows or Citrix environments, mainframes, mid-range servers, Unix/Linux hosts, and web applications. The ThinPro operating system, Firefox browser, terminal emulation, dual monitor support, support for the most common connection brokers, and choice of management solutions provide a great user experience and easy management. A single console provides streamlined and customizable user interface. Front Back 1. Secure USB compartment (2 USB connectors) 1. Cable lock slot 2. Power button with LED 2. 10/100/1000 Ethernet RJ-45 connector 3. Flash activity indicator 3. PS/2 connectors (2) 4. Audio connector (mic in) 4. Parallel port 5. Audio connector (headphone out) 5. Cable management feature 6. USB connectors (2) 6. USB connectors (2) 7. Vertical stand (removable) 7. VGA connector 8. VESA mounting points (4) 8. Serial port (standard in Germany only; available as an option 9. DVI-D connector in other countries) 10. +12V DC power input DA - 13148 North America — Version 4 — February 20, 2009 Page 1 QuickSpecs HP t5545 Thin Client Overview At A Glance HP ThinPro operating system supports modular software updates that can be applied remotely over the network for rapid deployment VIA Eden 1 GHz processor for great performance 512 MB System memory (64 MB reserved for video) 512 MB Flash memory Includes one parallel, one serial, two PS/2, and six USB 2.0 ports (two in back, two in front, and two in secure USB compartment – great for safeguarding USB wireless and Flash devices) MIC in and Audio out ports in front Built in dual monitor support (VGA and DVI-D native) HP Device Manager lets you remotely manage client devices from a central location HP's alliance with Altiris brings a leading management solution to the thin client market. -
Netop Remote Control User's Guide
USER'S GUIDE 27 September 2017 Netop Remote Control User's Guide Copyright© 1981-2017 Netop Business Solutions A/S. All Rights Reserved. Portions used under license from third parties. Please send any comments to: Netop Business Solutions A/S Bregnerodvej 127 DK-3460 Birkerod Denmark E-mail: [email protected] Internet: www.netop.com Netop™ is a trademark of Netop Business Solutions A/S. All other products mentioned in this document are trademarks of their respective manufacturers. Netop Business Solutions A/S denies any and all responsibility for damages caused directly or indirectly as a result of using this document. The content of this document is subject to change without notice. Netop Business Solutions A/S retains the copyright to this document. The document is optimized for double-sided printing. 27 September 2017 Netop Remote Control User's Guide Contents 1 Overview ....................................................................................................................................................4 1.1 Remote Control modules ...............................................................................................................................................4 1.2 Security ...........................................................................................................................................4 1.3 Communication profiles ...............................................................................................................................................5 2 Managing Hosts ........................................................................................................................................6 -
The Linux Command Line
The Linux Command Line Fifth Internet Edition William Shotts A LinuxCommand.org Book Copyright ©2008-2019, William E. Shotts, Jr. This work is licensed under the Creative Commons Attribution-Noncommercial-No De- rivative Works 3.0 United States License. To view a copy of this license, visit the link above or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042. A version of this book is also available in printed form, published by No Starch Press. Copies may be purchased wherever fine books are sold. No Starch Press also offers elec- tronic formats for popular e-readers. They can be reached at: https://www.nostarch.com. Linux® is the registered trademark of Linus Torvalds. All other trademarks belong to their respective owners. This book is part of the LinuxCommand.org project, a site for Linux education and advo- cacy devoted to helping users of legacy operating systems migrate into the future. You may contact the LinuxCommand.org project at http://linuxcommand.org. Release History Version Date Description 19.01A January 28, 2019 Fifth Internet Edition (Corrected TOC) 19.01 January 17, 2019 Fifth Internet Edition. 17.10 October 19, 2017 Fourth Internet Edition. 16.07 July 28, 2016 Third Internet Edition. 13.07 July 6, 2013 Second Internet Edition. 09.12 December 14, 2009 First Internet Edition. Table of Contents Introduction....................................................................................................xvi Why Use the Command Line?......................................................................................xvi -
Powerview Command Reference
PowerView Command Reference TRACE32 Online Help TRACE32 Directory TRACE32 Index TRACE32 Documents ...................................................................................................................... PowerView User Interface ............................................................................................................ PowerView Command Reference .............................................................................................1 History ...................................................................................................................................... 12 ABORT ...................................................................................................................................... 13 ABORT Abort driver program 13 AREA ........................................................................................................................................ 14 AREA Message windows 14 AREA.CLEAR Clear area 15 AREA.CLOSE Close output file 15 AREA.Create Create or modify message area 16 AREA.Delete Delete message area 17 AREA.List Display a detailed list off all message areas 18 AREA.OPEN Open output file 20 AREA.PIPE Redirect area to stdout 21 AREA.RESet Reset areas 21 AREA.SAVE Save AREA window contents to file 21 AREA.Select Select area 22 AREA.STDERR Redirect area to stderr 23 AREA.STDOUT Redirect area to stdout 23 AREA.view Display message area in AREA window 24 AutoSTOre .............................................................................................................................. -
LCD Textový Terminál LCD Text Terminal
VŠB – Technická univerzita Ostrava Fakulta elektrotechniky a informatiky Katedra informatiky LCD textový terminál LCD text terminal 2014 Patrik Slučiak Rád by som poďakoval vedúcemu bakalárskej práce, pánovi Ing. Petrovi Olivkovi za me- todickú a odbornú pomoc pri spracovaní tejto práce. Abstrakt V teoretickej časti tejto bakalárskej práce sú rozobrané štandardy terminálov, spôsob komunikácie terminálov, popis rozhraní (RS232, RS485, RS422), ich princípy a spôsob prenosu dát. Je tu podrobný rozpis USB zbernice, princíp rozoznávania zariadení a prenosu dát. Ďalej sú to popísané konfigurácie procesoru a práca LCD modulov - jednotlivé režimy, oživovanie, zápis. Sú tu uvedené vlastnosti jednotlivých modulov, ktoré je potrebné poznať pri návrhu a vývoji LCD Textového Terminálu komunikujúceho prostredníctvom USB zbernice. V praktickej časti bakalárskej práce, sú zrealizované možnosti návrhu, tak ako aj samotný návrh zariadenia. Klíčová slova: textové terminály, LCD, USB, CDC, VT, Ascii, CDC, ACM Abstract In the theoretical part of this master thesis are descripted terminals standards, terminal communication methods, interfaces descriptions (RS232, RS485, RS422), their principles and the way of data transmission. There are detail description of USB bus, principles of device recognition and data transmission on the bus. In next part of thesis are described MCU configuration and work of LCD modules - individual modes, initialisation, writing characters on the LCD. There are stated properties of modules, which are needed to know for development -
Shell Variables
Shell Using the command line Orna Agmon ladypine at vipe.technion.ac.il Haifux Shell – p. 1/55 TOC Various shells Customizing the shell getting help and information Combining simple and useful commands output redirection lists of commands job control environment variables Remote shell textual editors textual clients references Shell – p. 2/55 What is the shell? The shell is the wrapper around the system: a communication means between the user and the system The shell is the manner in which the user can interact with the system through the terminal. The shell is also a script interpreter. The simplest script is a bunch of shell commands. Shell scripts are used in order to boot the system. The user can also write and execute shell scripts. Shell – p. 3/55 Shell - which shell? There are several kinds of shells. For example, bash (Bourne Again Shell), csh, tcsh, zsh, ksh (Korn Shell). The most important shell is bash, since it is available on almost every free Unix system. The Linux system scripts use bash. The default shell for the user is set in the /etc/passwd file. Here is a line out of this file for example: dana:x:500:500:Dana,,,:/home/dana:/bin/bash This line means that user dana uses bash (located on the system at /bin/bash) as her default shell. Shell – p. 4/55 Starting to work in another shell If Dana wishes to temporarily use another shell, she can simply call this shell from the command line: [dana@granada ˜]$ bash dana@granada:˜$ #In bash now dana@granada:˜$ exit [dana@granada ˜]$ bash dana@granada:˜$ #In bash now, going to hit ctrl D dana@granada:˜$ exit [dana@granada ˜]$ #In original shell now Shell – p. -
Alphanumeric Display Terminals
C25-01 0-1 01 Display Tanninal. Alphanumeric Display Terminals The video display terminal (VDT, or CRT, as it is com monly referred to) is the principal interface between people This report focuses on non-user-programmable al and computers. As the computer becomes pervasive in phanumeric display terminals designed for gener today's business world, more and more people are being al-purpose business applications. It includes a exposed to this popular business tool. Originally invented brief historical summary of the market; current as a "glass teletype," an alternative to using a teleprinter market trends; developments in ergonomics; and terminal as a computer operator console, the display termi a look at the industry's major segments. Also nal has evolved to the point where it is a primary compo included are comparison columns detailing the nent in the vast majority of modern computer applications, specifications of 361 display terminal models of including data entry, inquiry/response, program develop fered by 91 vendors. ment, business and scientific graphics, word processing! text editing, CAD/CAM, and many others. For the purpose mainframe links improve, more and more microcomputers of this report, we will focus on alphanumeric display termi will be able to perform terminal tasks in addition to micro nals designed for general purpose business applications. computing tasks. Datapro has seen a drop in the number of companies entering the terminal market in the past year, as The steady intt:oduction of improvements in CRT design well as a small shakeout. These factors can be attributed to and functional capability, such as editing, highlighting, the growth of the microcomputer industry.