Thursday, June 26, 2014

UNIX Information Commands

    man [-option] [command] (CR) : Manual or UNIX help command. The usual quit sequence `q (CR)' can be used to quit long UNIX `man' listings, `(CR)' is used for new `man' pages. During a IBM Telnet session the `Clear-key' is needed for new CMS pages that are not the same as the `man' pages. Otherwise `d', `q' or `Ctrl-c' should work for UNIX like access.

    finger [user] (CR) : Displays system biography on user `[user]'.

    whereis [name] (CR) : Locates source for program or command; e.g. `whereis kermit'.

    which [name] (CR) : Tell which version of a program or command will be used in your session in case of multiple copies; e.g. `which cc'  or which java

    whatis [command] (CR) : Describes the command [command].

    who am i (CR) : Displays current user id and access.

    who (CR) : Displays currently logged in users.

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