Difference between revisions of "Linux: File Ownership"
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| + | The groups are defined in /etc/group. A user may be a member of more than one group. | ||
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==File Ownership == | ==File Ownership == | ||
Revision as of 19:43, 15 August 2013
Users and Groups
Linux makes use a users and groups. When looking at /etc/passwd you can see the user and group ids of all users on the system.
redhat:x:30582:30583::/home/redhat:/bin/bash
manali:x:30583:30584::/home/manali:/bin/bash
armtest:x:30584:30585::/home/armtest:/bin/bashEach user is assigned a user Id and group id. The default group in Redhat is a group with the same name as the user.
The groups are defined in /etc/group. A user may be a member of more than one group.
redhat:x:30583:
manali:x:30584:
armtest:x:30585:File Ownership
Files have a User and Group Owners. The test file is owned by user michael and group tes
-rw-rw-r-- 1 michael root 0 Aug 15 20:41 test
Change the User Owner
chown <newuser> <file>Change the Group Owner
chgrp <new_group> <file>