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Unix command-line tutorial documentation
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A brief introduction to the Unix command-line
¶
Introduction
What is the command-line?
How to access the command line
Basic Structure of a command
Dealing with spaces in arguments
Escaping special characters
Specifying filenames: paths
Files and folders
Absolute paths
The working directory
Relative paths
Special filenames
Using wildcards
Basic commands
pwd
: print working directory
cd
: change working directory
ls
: list files
cp
: copy files or folders
mv
: move/rename files or folders
echo
: output strings to the terminal
Examples of typical command use
Useful tips
Previous command history - the up arrow key
Command completion - the tab key
What’s going on under the hood?
The terminal
The shell
The command
Implications
Advanced usage
Redirection
Pipes
Conditional execution
Variables
Iterating with for loops
Parameter substitution
Customising the shell
Startup files
Useful ~/.bashrc customisations
Useful readline customisations
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