file contains lines which specify how the permissions and ownership of
various system files should be changed based on the user's login device name.
Comments start with a
and extend to the end of the line.
Blank lines or lines with only a comment are ignored.
All other lines consist of three fields delimited by whitespace.
The device you have logged in on (e.g.,
An octal permission number (0600), as used by
The final field is a colon
delimited list of devices (e.g.,
All device names are absolute paths.
A path that ends in
refers to all directory entries except
file is used by
the specified files to the user who has performed a login.
is used to set the devices to the specified permission.
When a user logs out,
is responsible for performing the inverse operation, which results in
the files once again belonging to root.