id

Syntax

id options

Description

This command provides a means of getting, setting and converting user, group and process IDs. The id command has the following options:

id user [ name ]
id userid [ uid ]

Sets the real and effective user ID to name or uid, if the name (or uid) is valid and permissions allow it. If the name (or uid) is not specified, the current name (or uid) is returned.

id convert userid uid
id convert user name

Converts a user ID number to a user name, or vice versa.

id group [ name ]
id groupid [ gid ]

Sets the real and effective group ID to name or gid, if the name (or gid) is valid and permissions allow it. If the group name (or gid) is not specified, the current group name (or gid) is returned.

id convert groupid gid
id convert group name

Converts a group ID number to a group name, or vice versa.

id effective user
id effective userid

Returns the effective user name, or effective user ID number, respectively.

id effective group
id effective groupid

Returns the effective group name, or effective group ID number, respectively.

id process

Returns the process ID of the current process.

id process parent

Returns the process ID of the parent of the current process.

id process group

Returns the process group ID of the current process.

id process group set

Sets the process group ID of the current process to its process ID.