This repository presents a guidance and examples of the usage of GNU/Linux operative system.
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4.8 KiB

Basics of GNU/Linux

Basic File System Commands

Name Command options example
List files ls -a shows all ls -la
-l long format
-R recursive
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Current directory pwd -P prints the physical location pwd
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Change cd .. takes you up a level cd /home/gmarx
directory ~ takes you to home directory cd ~
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Make mkdir -p make parent directories as needed mkdir -p test/example
directory -v print a message for each directory mkdir -p /test/example
*first example creates
folders inside the
current folder, other one
creates folder in root directory
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Delete a rm -r recursive (use for directories) rm sample.txt
file or directory -d remove empty directory rm -r test
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Copy a file cp -r recursivec copy cp a.txt b.txt
or directory -u copy only if the source is newer cp test-a test-b
-v verbose (show output)
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Move a file or mv -i prompts before overwrite mv a.txt c.txt
directory No -r; Moving into the same directory mv test example
performs a renaming
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touch
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more
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cal
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*** Terminal

Command Description
CTRL-c Stop current command
CTRL-z Sleep program
CTRL-a Go to start of line
CTRL-e Go to end of line
CTRL-u Cut from start of line
CTRL-k Cut to end of line
CTRL-r Search history
!! Repeat last command
Tab key Autocompletes
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*** Package management

Command Debian
Install a package sudo apt install vim
Upgrade the package in your system sudo apt upgrade
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*** Basic file editing with VIM *** Expanding the file system