chmod g+ Equivalent

[Bjoern Schliessmann]

milan_sanremo wrote:
> The group ownership is set by chown,

Yes -- by storing a group's gid (group ID) in the file metadata. The
group ID is an int from /etc/group.

> but the group id (setgid bit) is set by chmod.

"group id" is not "setgid bit".

The "setgid bit" is one bit in the file metadata that tells the OS
to change the group ID based privileges for a process.

Regards,


Björn

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