Useful File Permission Commands ¶ umask ¶ A directory such as this would most likely contain files that have "world read" permissions. The owner can read and write the directory all other users can only read the contents of the directory. This is a directory named "public", owned by user elvis and associated with group bigsci. These definitions can be used to interpret the example output of ls -l presented above: Subdirectories created therein will not only have the same group, but will also inherit the sgid setting. ![]() For directories, files created therein will be associated with the same group as the directory, rather than default group of the user. ![]() For directories, files may be created or removed.įile is executable. Read, write, execute permission for other (world)įile is writable. Read, write, execute permission for group Read, write, execute permission for user (owner) of file The permission flags from left to right are: Position
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