CREST Practitioner Security Analyst (CPSA) Practice

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Which part of the Linux file permission string 'drwxrwxrwx' indicates permissions for the user?

The correct answer is: rwx

In the Linux file permission string 'drwxrwxrwx', the designation of permissions for the user is found in the second set of characters, specifically the 'rwx' portion that follows the initial 'd'. To break it down, the first character indicates the type of the file ('d' for directory), while the next three characters (the first 'rwx') represent the permissions assigned to the user (owner) of the file or directory. Here, 'r' stands for read permission, 'w' for write permission, and 'x' for execute permission. Thus, the 'rwx' following the initial character specifies what the user can do with the file or directory: read it, modify it, or execute it if applicable. The other sets of 'rwx' in the string pertain to group and other permissions, but only the first set defines the user's permissions. Therefore, identifying the permissions for the user as 'rwx' is crucial when determining what the owner of the file is allowed to do.