umask

all

Manage the read/write/execute permissions that are masked out (i.e. restricted) for newly created files by the user.

Examples (4)

Display the current mask in octal notation

umask

Display the current mask in symbolic (human-readable) mode

umask -S

Change the mask symbolically to allow read permission for all users (the rest of the mask bits are unchanged)

umask a+r

Set the mask (using octal) to restrict no permissions for the file's owner, and restrict all permissions for everyone else

umask 077