Author: Nicholas Conner

Nicholas is a full-time Linux enthusiast and a part-time mystic. Half of his time is spent on working with servers, while the other half is reserved for connecting with nature and people. Providing great customer support is his signature way of contributing to the world.

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What is Umask?

Umask, or the user file-creation mode, is a Linux command that is used to assign the default file permission sets for newly created folders and files. The term mask references the grouping of the permission bits, each of which defines how its corresponding permission is set for newly created files. The bits in the mask may be changed by invoking the umask command.

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