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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.


paste [options] files

Merge corresponding lines of one or more files into tab-separated vertical columns. Use - to read from standard input, instead of specifying a file. See also cut, join, and pr.


-dchar, --delimiters=char

Separate columns with char instead of a tab. You can separate columns with different characters by supplying more than one char.


Print a help message and then exit.

-s, --serial

Merge lines from one file at a time.


Print version information and then exit.


Create a three-column file from files x, y, and z:

paste x y z > file

List users in two columns:

who | paste - -

Merge each pair of lines into one line:

paste -s -d"\t\n" list

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