display current user and group identity in Linux operating systems | id cheat-sheet

Display current user and group identity.

Display current user’s ID (UID), group ID (GID) and groups to which they belong:

id

Display the current user identity:

id [-un|--user --name]

Display the current user identity as a number:

id [-u|--user]

Display the current primary group identity:

id [-gn|--group --name]

Display the current primary group identity as a number:

id [-g|--group]

Display an arbitrary user’s ID (UID), group ID (GID) and groups to which they belong:

id username

More information: https://www.gnu.org/software/coreutils/manual/html_node/id-invocation.html .

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