What Is the D in Linux Permissions?

The permissions are written as follows: the first bit is either a dash or the letter d. Dash means it’s a file and d stands for directory. Note that the first bit can also be an l if the file name is a link.

What is the meaning of D in Linux?

It means that it is a directory. The first mode field is the “special file” designator; regular files display as – (none). As for which possible letters could be there, on Linux the following exist: d (directory)

What are the permissions in Linux?

The type of permission:

• +r adds read permission.
• -r removes read permission.
• +w adds write permission.
• -w removes write permission.
• +x adds execute permission.
• -x removes execute permission.
• +rw adds read and write permissions.
• +rwx adds read and write and execute permissions.