Questions and Answers
3 Types of permission groups It only aplies to the owner of the file or directory this will impact the actions of other users
Owner
It aplies only to the group that has been assign to the file or directory. It will not affect the actions of other users
Group
It aplies all to the users on the system this is the permission group that you want to watch the most
All users
Permission Types User can view the contents of the file
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User can modify a file or directory
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User can run a file or view the contents of a directory
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Permission Commands It displays user identity
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It allows you to modify the access rights of a file/directory
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It sets the default file permissions
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It allows you temporarily become the supperuser
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Study Notes
Permission Groups
- There are three types of permission groups:
- Owner permissions affect the actions of the file or directory owner only.
- Group permissions apply to the assigned group and do not impact other users.
- Other permissions apply to all users on the system and require careful attention.
Permission Types
- Read permission allows users to view the contents of a file or directory.
- Write permission enables users to modify a file or directory.
- Execute permission grants users the ability to run a file or view the contents of a directory.
Permission Commands
-
whoamidisplays the current user's identity. -
chmodallows modifying the access rights of a file or directory. -
umasksets the default file permissions. -
sudotemporarily grants superuser privileges.
