1. Technology
Linux / Unix Command: id
Command Library

NAME

id - print real and effective UIDs and GIDs  

SYNOPSIS

id [OPTION]... [USERNAME]  

DESCRIPTION

Print information for USERNAME, or the current user.

-a
ignore, for compatibility with other versions
-g, --group
print only the effective group ID
-G, --groups
print all group IDs
-n, --name
print a name instead of a number, for -ugG
-r, --real
print the real ID instead of the effective ID, with -ugG
-u, --user
print only the effective user ID
--help
display this help and exit
--version
output version information and exit

Without any OPTION, print some useful set of identified information.  

SEE ALSO

The full documentation for id is maintained as a Texinfo manual. If the info and id programs are properly installed at your site, the command
info id

should give you access to the complete manual.


Important: Use the man command (% man) to see how a command is used on your particular computer.

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