Linux/groups - Revision history

Woozle at 23:31, 9 November 2022

2022-11-09T23:31:40Z

← Older revision		Revision as of 23:31, 9 November 2022
Line 27:		Line 27:
	** {{l/linux/cmd/groups}} -- list groups to which user currently belongs		** {{l/linux/cmd/groups}} -- list groups to which user currently belongs
	** {{l/linux/cmd/cat}} {{l/linux/file/root\|etc/group}} -- list all groups		** {{l/linux/cmd/cat}} {{l/linux/file/root\|etc/group}} -- list all groups
			** To list all users in a group (there is apparently no dedicated command for this):
			*** <code>getent passwd \| grep '^nixbld' \| cut -d: -f1</code>
			**** This ^ lists them one per row, which can be used as input for other commands (e.g. if you need to delete all users in a group)
			*** <code>getent group nixbld</code>
			**** This ^ generates a comma-separated list.
	* Users:		* Users:
	** [[useradd]] -- create a new user		** [[useradd]] -- create a new user

2018-01-06T13:08:21Z

Commands: clarifying note

← Older revision		Revision as of 13:08, 6 January 2018
Line 20:		Line 20:
	**'''Bits 8-0''': same as for files, except "x" means "can enter (chdir into) directory"		**'''Bits 8-0''': same as for files, except "x" means "can enter (chdir into) directory"
	==Commands==		==Commands==
	Commands used for managing users, groups and permissions include:		Commands used for managing users, groups and file permissions include:
	*Groups:		* Groups:
	**{{l/linux/cmd\|groupadd}} -- create a new group		** {{l/linux/cmd\|groupadd}} -- create a new group
	**[[groupdel]] -- delete an existing group		** [[groupdel]] -- delete an existing group
	**{{l/linux/cmd/groupmod}} -- modify a group		** {{l/linux/cmd/groupmod}} -- modify a group
	**{{l/linux/cmd/groups}} -- list groups to which user currently belongs		** {{l/linux/cmd/groups}} -- list groups to which user currently belongs
	**{{l/linux/cmd/cat}} {{l/linux/file/root\|etc/group}} -- list all groups		** {{l/linux/cmd/cat}} {{l/linux/file/root\|etc/group}} -- list all groups
	*Users:		* Users:
	**[[useradd]] -- create a new user		** [[useradd]] -- create a new user
	**[[userdel]] -- delete an existing user		** [[userdel]] -- delete an existing user
	**[[usermod]] -- modify a user account		** [[usermod]] -- modify a user account (including groups user is in)
	*Permissions:		* Permissions:
	**[[chmod]] -- change permissions on a file or directory		** [[chmod]] -- change permissions on a file or directory
	**[[chgrp]] -- change a file's owner group		** [[chgrp]] -- change a file's owner group

2018-01-05T21:18:41Z

Commands: need a special template variation to show '/' prefix

← Older revision		Revision as of 21:18, 5 January 2018
Line 26:		Line 26:
	**{{l/linux/cmd/groupmod}} -- modify a group		**{{l/linux/cmd/groupmod}} -- modify a group
	**{{l/linux/cmd/groups}} -- list groups to which user currently belongs		**{{l/linux/cmd/groups}} -- list groups to which user currently belongs
	**{{l/linux/cmd/cat}} {{l/linux/file\|/etc/group}} -- list all groups		**{{l/linux/cmd/cat}} {{l/linux/file/root\|etc/group}} -- list all groups
	*Users:		*Users:
	**[[useradd]] -- create a new user		**[[useradd]] -- create a new user

2018-01-05T21:13:29Z

let's keep that page from being completely orphaned... other minor fixes...

← Older revision		Revision as of 21:13, 5 January 2018
Line 1:		Line 1:
	In Linux and other Unix-based operating systems, a '''group''' is an entity to which a [[Linux users\|user]] may belong and which confers certain "privileges" or "rights" to its member users.		In Linux and other Unix-based operating systems, a '''group''' is an entity to which a [[Linux users\|user]] may belong and which confers certain "privileges" or "rights" to its member users. They're the Linux system's implementation of the [[security groups]] software design concept.

	==How Groups Are Used==		==How Groups Are Used==
Line 24:		Line 24:
	**{{l/linux/cmd\|groupadd}} -- create a new group		**{{l/linux/cmd\|groupadd}} -- create a new group
	**[[groupdel]] -- delete an existing group		**[[groupdel]] -- delete an existing group
	**{{l/linux/cmd\|groupmod}} -- modify a group		**{{l/linux/cmd/groupmod}} -- modify a group
	**{{l/linux/cmd/groups}} -- list groups to which user currently belongs		**{{l/linux/cmd/groups}} -- list groups to which user currently belongs
	**[[cat~~]] [[~~/etc/group]] -- list all groups		**{{l/linux/cmd/cat}} {{l/linux/file\|/etc/group}} -- list all groups
	*Users:		*Users:
	**[[useradd]] -- create a new user		**[[useradd]] -- create a new user

2018-01-05T19:55:59Z

"groups" moved

← Older revision		Revision as of 19:55, 5 January 2018
Line 1:		Line 1:
	~~[[Computing]]: [[Linux]]: [[Linux groups]]~~

	In Linux and other Unix-based operating systems, a '''group''' is an entity to which a [[Linux users\|user]] may belong and which confers certain "privileges" or "rights" to its member users.		In Linux and other Unix-based operating systems, a '''group''' is an entity to which a [[Linux users\|user]] may belong and which confers certain "privileges" or "rights" to its member users.

Line 27:		Line 25:
	**[[groupdel]] -- delete an existing group		**[[groupdel]] -- delete an existing group
	**{{l/linux/cmd\|groupmod}} -- modify a group		**{{l/linux/cmd\|groupmod}} -- modify a group
	**{{l/linux/cmd\|groups}} -- list groups to which user currently belongs		**{{l/linux/cmd/groups}} -- list groups to which user currently belongs
	**[[cat]] [[/etc/group]] -- list all groups		**[[cat]] [[/etc/group]] -- list all groups
	*Users:		*Users:

2015-03-07T02:12:43Z

Commands: "groups" command

← Older revision		Revision as of 02:12, 7 March 2015
Line 27:		Line 27:
	**[[groupdel]] -- delete an existing group		**[[groupdel]] -- delete an existing group
	**{{l/linux/cmd\|groupmod}} -- modify a group		**{{l/linux/cmd\|groupmod}} -- modify a group
			**{{l/linux/cmd\|groups}} -- list groups to which user currently belongs
	**[[cat]] [[/etc/group]] -- list all groups		**[[cat]] [[/etc/group]] -- list all groups
	*Users:		*Users:

2015-03-07T02:09:04Z

Commands: links updated

← Older revision		Revision as of 02:09, 7 March 2015
Line 24:		Line 24:
	Commands used for managing users, groups and permissions include:		Commands used for managing users, groups and permissions include:
	*Groups:		*Groups:
	**[[groupadd]] -- create a new group		**{{l/linux/cmd\|groupadd}} -- create a new group
	**[[groupdel]] -- delete an existing group		**[[groupdel]] -- delete an existing group
	**[[groupmod]] -- modify a group		**{{l/linux/cmd\|groupmod}} -- modify a group
	**[[cat]] [[/etc/group]] -- list all groups		**[[cat]] [[/etc/group]] -- list all groups
	*Users:		*Users:

2015-03-07T01:47:02Z

Woozle moved page Linux groups to Linux/groups: reorganizing a bit

← Older revision	Revision as of 01:47, 7 March 2015
(No difference)

2005-12-30T19:44:48Z

Commands: cat /etc/group

← Older revision		Revision as of 19:44, 30 December 2005
Line 27:		Line 27:
	**[[groupdel]] -- delete an existing group		**[[groupdel]] -- delete an existing group
	**[[groupmod]] -- modify a group		**[[groupmod]] -- modify a group
			**[[cat]] [[/etc/group]] -- list all groups
	*Users:		*Users:
	**[[useradd]] -- create a new user		**[[useradd]] -- create a new user

2005-10-14T17:48:58Z

Linux:group moved to Linux groups

← Older revision	Revision as of 17:48, 14 October 2005
(No difference)