How to change files directories owner and group to grant ...

Run ls with the -l flag to show the owner and group-owner of files and directories in the current directory (or in a specific named directory).

The mkdir command in Linux/Unix is a command-line utility that allows users to create new directories. mkdir stands for make directory.

I would like to create a directory using a bash script and then set the mode to 00755 at the same time mkdir -p -m=00755 /dir/dir2 Is this the correct way of ...

You can create the directory from the root and change the ownership using sudo chown username:group1 dirname.

You can always sudo -u username touch filename when your script is executed as root. It usually requires no password, depending on your sudoers configuration.

On Linux, this setting will make sure the new items created in the directoty with the sticky bit set be owned with the owning group of that directory.

Your chown will only change user/group on folder d, so chown -R user:group a/b/c should do it if you don't need to know if c and d were newly created.

You cannot make directory part of a group, but you can change directory (or file) group ownership. The command to change group ownership is chgrp.

The owner-ID and group-ID of the new directories are set to the process's effective user-ID and group-ID, respectively. The setgid bit setting is inherited ...

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