Changing File Ownership IN LINUX

Monday, 1 April 2013

Changing File Ownership IN LINUX

Changing File Ownership

Only root can change a file's owner
Only root or the owner can change a file's group
ownership is changed with shown:
crown [-R] user_name file/directory...

Group-ownership is changed with chgrp:
chgrp [-R] group_name file/directory...

File ownership can be changed with the chown command.For example,to
grant ownership of the file foofile to student,the following commands could be used:

[root@station ~]$ chown student foofile

Chown can be used with the -R option to recursively change the ownership of an entire directory tree.The following command would grant ownership of foodir and all files and sub-directories within it to student:

[root@station ~]$ chown -R student foodie

Only root can change the ownership of a file.Group ownership,however,can be set by root or the file's owner.Root can change the ownership to any group,while non-root users can grant ownership only to groups they belong to.Changing the group ownership of a file is done with the chgrp command.The syntax is identical to that of chown,including the use of -R to affect entire directory trees.

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