Engineering Network Services - CSU

Engineering Network Services
 

Unix Information

Special command line characters

These commands allow for the manipulation of data.

. (A dot or period)
Shorthand for current directory.
.. (Two dots)
Shorthand for parent directory of the current directory.
~userName (A tilde - found just above the tab key)
Shorthand for the home directory of "userName". Ex. cd ~joeblow
* (asterisk) Match zero or more characters. Examples.
? Match zero or one character. Examples.
>file Redirect output to “file”. WARNING: If “file” exists, it will be over written. Examples.
>>file Redirect output and append to “file”. Examples.
<file Read input from “file”. Examples.
cmd1 | cmd2 Use cmd1's output as input to cmd2. The '|' is know as the “pipe” character. Examples.

 
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This document last modified Monday January 25, 2016


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