Linux Command Directory


Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

Buy it now, or read it online on Safari Bookshelf.



look

look [options] string [file]

Search for lines in file (/usr/dict/words by default) that begin with string.

Options

-a

Use alternate dictionary, /usr/dict/web2.

-d

Compare only alphanumeric characters.

-f

Search is not case-sensitive.

-t character

Stop checking after the first occurrence of character.


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