Users and Privileges

Access permissions of a file or directory

drwxr-xr-x means:

• d: Directory

• rwx: Owner can read, write, and execute

• r-x: Group can read and execute

• r-x: Others can read and execute

drwxrwxrwt means: (Full Access)

• d: Directory

• rwx: Owner can read, write, and execute

• rwx: Group can read, write, and execute

• rwtOthers can read, write, and execute, but with the sticky bit set (t), meaning only the file owner can delete files within the directory.

Change Access

chmod +x filename

chmod 777 filename

Add User

Confirm User

Passwords are now in the Shadow file

Encrypted with hash values

Switch User

Change Root Password