Linux Terminal Cheat Sheet Cheat Sheet by hamza391 via cheatography.com/52792/cs/14298/

Rebooting and Shutting Down Finding Files Exploring the FileSystem shutdown at 10:00 $ sudo shutdown -h Searching for files and find /usr -name Changes your current directory to the cd / 10:00 directo​ ries named "g​ cc"​ gcc root (/) directory (or path you supply) shutdown now $ sudo shutdown -h now Searching only for find /usr -type d List the contents of the present working ls ​ ​ ​ restart at 10:00 $ sudo shutdown -r directories named "gcc": -name gcc directory 10:00 Searching only for regular $ find /usr -type List all files including hidden files and ls – ​ ​ ​ restart now $ sudo shutdown -r now files named "gcc" f -name gcc directories (those whose name start with a *To find files based on time find / -ctime n . ) with message $ sudo shutdown -h created "+_ n" days Displays a tree view of the filesystem tree "S​ hut​ ting down for 10:00 "S​ hut​ ting down for scheduled scheduled To find files based on size $ find / -size n mainten​ ance. mainten​ anc​ e."​ +- n Directo​ ries

Another good use of find is being able to run to create a directory. mkdir Locate applica​ tion commands on the files that match your search create a sample directory named mkdir locate applica​ tion only which "a​ ppl​ ica​ tion criteria. The -exec option is used for this sampdir under the current sampdir name" purpose. directory, To find and remove all files that end with .swp: locates applica​ tion , whereis create a sample directory called mkdir source and man "a​ ppl​ ica​ tion name" sampdir under /usr /usr/sa​ m $ find -name "*​ .sw​ p" -exec rm {} ’;’ pdir. *mtime for modifie​ d/w​ ritten time Locate / Find atime for access time/read time Removing a directory * rmdir The locate utility program performs a search To remove a directory and all of its rm -rf through a previously constru​ cted database of Accessing Directo​ ries contents files and directo​ ries on your system, matching Displays the present working pwd * for rmdir The directory must be empty or it will all entries that contain a specified character directory fail string * usage sample for rmdir and rm -rf is same as updatedb to update the database Change to your home directory cd ~ or mkdir can use grep program as a filter; grep will print cd only the lines that contain one or more Change to parent directory cd .. Renaming / removing directory specified strings Change to previous directory cd - $ locate zip | grep bin Rename a directory mv

Remove an empty directory rmdir

Forcefully remove a directory rm -rf recursi​ vely

By hamza391 Not published yet. Sponsored by Readability-Score.com cheatography.com/hamza391/ Last updated 13th January, 2018. Measure your website readability! Page 1 of 2. https://readability-score.com Linux Terminal Cheat Sheet Cheat Sheet by hamza391 via cheatography.com/52792/cs/14298/

Basic Packagaing Commands Viewing Files Removin​ g/R​ ena​ ming file

Install package dpkg --install for viewing files that are not cat Rename a file mv

foo.deb very long; it does not provide Remove a file rm any scroll-​ back. Install package, apt-get install foo Forcefully remove a file rm –f depende​ ncies o look at a file backwards, tac Interac​ tively remove a file rm –i Remove package dpkg --remove starting with the last line foo.deb Used to view larger files less (/ for

Remove package, apt-get forwad and ? depende​ ncies autoremove foo for backward)

Update package dpkg --install Used to print the last 10 lines tail foo.deb Used to print the first 10 lines head

Update package, apt-get install foo Used to print the last X lines tail -n X or tail ​ dependencies -X Update entire system apt-get dist- Used to print the first X lines head -n X or up​ grade head -X

Show all installed dpkg --list packages File Linking

Get informa​ tion on dpkg --listf​ iles foo Hardlink file1 and file2 $ ln file1 file2 package Softlink file1 and file2 $ ln -s file1 file2 Show packages named apt-cache search foo foo New file / change time of file Show all available apt-cache Create newfile $ touch packages dumpavail foo "f​ ile​ nam​ e" What package is file part dpkg --search file sets the "m​ yfi​ le"​ file's time stamp $ touch -t of? to 4 p.m., March 20th (03 20 03201600 1600). myfile

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