Umask Selection (Bits to strip)
How Umask works: Umask strips permissions during creation. E.g. umask 022 gives files 644 (rw-r--r--) and directories 755 (rwxr-xr-x).
Umask Value (Octal)
022
Resulting File Permissions (Default: 666)
644
-rw-r--r--
Resulting Folder Permissions (Default: 777)
755
drwxr-xr-x