each sum represents a specific set of permissions. These values never produce ambiguous combinations. The execute bit adds 1 to its total (in binary 001).The write bit adds 2 to its total (in binary 010), and.The read bit adds 4 to its total (in binary 100),. Each of the three rightmost digits represents a different component of the permissions: user, group, and others.Įach of these digits is the sum of its component bits As a result, specific bits add to the sum as it is represented by a numeral: This notation consists of at least three digits.
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