Learn to manage the permissions for the files and directories in Linux CentOS 8. There are three types of permissions in Linux and they are “read”, “write” and “execute”. All of these three permissions are allocated specific octal number. When we give the value of 7 to the file or directory while setting the permissions, that means we are giving the full permissions or the file of directory is readable, writable and executable.
We apply the permission for three different entities; Owner/Creator of the file or directory, Group of the file or directory And Other users in the system. We can also change the owner and the group of the file or directory.

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Managing Permissions on Linux CentOS 8
2.15 GEEK