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.
readlink filereadlink option
Print the contents of the symbolic link file--that is, the name of the file to which the link points.
Canonicalize by recursively following symbolic links.
Print usage information and exit.
Do not output a trailing newline.
Suppress most error messages.
Print all error messages.
Print version information and exit.