Hi, Here is a very common usecase:
sudo chgrp www-data dir in a deployment script. I have always used "sudo" with this because I didn't know why I was getting an operation permitted error when doing so. Until I found out that if the effective user is a member of the target group www-data, the sudo isn't needed. The Wikipedia clearly says that: The *chgrp* (from *ch*ange *gr*ou*p*) command<http://en.wikipedia.org/wiki/Command_(computing)> may be used by unprivileged <http://en.wikipedia.org/wiki/Privilege_(Computing)> users on Unix-like <http://en.wikipedia.org/wiki/Unix-like> systems to change the group associated with a file system object (such as a file, directory, or link) *to one of which they are a member*. I am wondering why the chgrp manpage or info pages do not mention anything about that. It would be very helpful to add that piece of very crucial information to the manpage/info pages. Best regards, -- Wouter Thielen
