Linux Command Directory
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.
Reverse the order of characters on each line of the specified file and print the results on standard output. If no file is specified, rev reads from standard input.