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.
sleep amount[units] sleep option
Wait a specified amount of time before executing another command. units may be s (seconds), m (minutes), h (hours), or d (days). The default for units is seconds.
Print usage information and exit.
Print version information and exit.