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Basic Unix Tutorial
An operating system is the software that runs a computer, like Windows, Mac, and Unix. Unix is the
operating system that this page is about. It has many similarities to Windows and Mac, the most
noticeable difference being that it is completely text-based; everything is done from a command
line. It would be like if Windows XP came with no software other than the Command Prompt (on older
versions the MS-DOS prompt) or if Mac only came with Terminal.
Command Prompt running on Windows XP:

Basic Unix Commands
Basic Unix Commands
Command
Effect
ls
List the contents of the current directory.
cd
Move to a different directory.
man
Command explanation.
mkdir
Create a new directory.
rm
Deletes a file.
rmdir
Removes an empty directory.
exit
Logout/Close window
Control + C
Terminate the currently running program.
Has no effect when no other programs are running
(used to terminate a program when it freezes).
Unix Terminology
Unix Terminology
Term
Symbolic Abbreviation
Meaning
current directory
.
The directory that you are currently in.
parent directory
..
The directory that contains the directory you are currently in.
home directory
~user
The directory that belongs to user and that user starts in when he or she logs in.
Moving around the command line quickly
Command-Line Keyboard Shortcuts
Unix Keystroke
Windows Equivalent
Effect
Control + c
Terminate the currently running program.
Has no effect when no other programs are running.
Control + p (Unix only) or Up arrow
Previous command
Control + n (Unix only) or Down arrow
Next command
Tab
Command and filename auto-complete
Esc + Backspace
Control + Backspace
Delete last word
Esc + d
Control+Delete
Delete next word
Backspace
Backspace
Delete last charater
Control + d
Delete
Delete next character
Esc + b
Control + [Left arrow]
Move backwards one word
Esc + f
Control + [Right arrow]
Move forwards one word
Control + u
(No Windows equivalent)
Delete entire line
Control + w
(No Windows equivalent)
Delete text backwards to beginning of line
Control + k
(No Windows equivalent)
Delete text forwards to end of line
Control + e
(No Windows equivalent)
Go to end of line
Control + a
(No Windows equivalent)
Go to beginning of line
This information is officially documented at:
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