Permissions & Ownership
Master file permissions, user ownership, and access control systems. Learn chmod, chown, ACLs, and security best practices for system administration.
Articles in Permissions & Ownership
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How to change file attributes → chattr
Learn how to use the chattr command to change file attributes in Linux. Complete guide with examples, troubleshooting, and best practices for system administrators.
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How to list file attributes → lsattr
Learn how to use the lsattr command to list file attributes in Linux systems. Complete guide with examples, troubleshooting, and best practices for beginners to advanced users.
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How to set default permission mask → umask
Learn how to set and configure umask (user file creation mask) to control default file and directory permissions in Linux and Unix systems with examples and best practices.
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How to change group ownership → chgrp
Master the chgrp command to change group ownership in Linux/Unix. Complete guide with syntax, examples, troubleshooting, and best practices for system administrators.
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How to change file owner → chown
Master the chown command in Linux/Unix systems. Complete guide covering file ownership changes, syntax, examples, permissions, troubleshooting, and best practices.
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How to change file permissions → chmod
Learn how to change file permissions using chmod command in Linux and Unix. Complete guide with examples, syntax, best practices, and troubleshooting tips.