Programming Tutorials

chgrp in Mac OS X

By: Strauss K in macos Tutorials on 2011-02-03  

chgrp is a command-line utility used in Unix-based operating systems to change the group ownership of a file or directory. In Mac OS X, which is based on the Unix-like operating system, macOS, chgrp is available in the Terminal application.

To use chgrp, open the Terminal application and navigate to the directory where the file or directory you want to modify is located. Then, use the following command:

chgrp groupname filename

Replace "groupname" with the name of the group to which you want to assign ownership and "filename" with the name of the file or directory that you want to modify. You may need to use the sudo command before chgrp if you don't have the necessary permissions to modify the file or directory.

For example, if you want to change the group ownership of a file named "example.txt" to the group "staff", you would use the following command:

sudo chgrp staff example.txt

After running this command, the group ownership of the "example.txt" file would be changed to "staff".

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