The user will have to log out and then log back in for group changes to take effect. This is true for both Windows and Linux group permissions.
Whoa there... That is definitely NOT true. Permission changes generally
take place immediately. The only exception I know of is with
applications that cache permission values, and there are darn few of
those.
It looks to me like there's a small disconnect here. Jon, please correct me if I'm wrong, but what you seem to be saying is that if you change group permissions on a file it happens immediately. What I think Joseph is saying is that if a user is not a member of a group, and then you add him to the group file so they're now a member of a particular group, then *that change* doesn't take effect until you log out then back in (or possibly using the newgrp command Jeremy mentioned).
Did I understand everything correct? This would make sense since the original poster mentioned creating a user and then later adding them to the group with permission to write to a particular directory.
So, short story is, changes on permissions of files happen immediately, but changes in a user's group status doesn't happen immediately.
Cheers, Tanner -- Tanner Lovelace | lovelace(at)wayfarer.org | http://wtl.wayfarer.org/ --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*-- GPG Fingerprint = A66C 8660 924F 5F8C 71DA BDD0 CE09 4F8E DE76 39D4 GPG Key can be found at http://wtl.wayfarer.org/lovelace.gpg.asc --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*-- He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me. -- Thomas Jefferson
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