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Sunday, July 31, 2011

Create and configure set-GID directories for collaboration

The Linux Files can be setuid or setgid. When a user executes a setuid file, the program runs with the effective user ID of the file’s owner, rather than that of the user. Similarly, when a user executes a setgid file, the program runs with the effective group ID of the file’s group owner, rather than that of the user.
Directories can also be setgid. When a user creates a file in a non-setgid directory, the group ownership of the file is set to the user’s group ID. However, when a user creates a file in a setgid directory, the group ownership of the file is set to the group owner of the directory.

#chmod u+s filename/directoryname
#chmod g+s filename/directoryname