How to Use “chmod” Command in Linux [6 Practical Examples] | LinuxSimply
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Worried about file permissions in Linux ? Dive into the basics of file permissions with this tutorial on " How to use the “chmod” Command in Linux [6 Practical Examples] ". Explore on how to change file permission according to various needs with the help of the chmod command and its six practical examples.
The chmod command in Linux is a powerful tool for changing the permissions of files and directories. Chmod stands for “Change mode” in Linux. It can be used to change the file permissions in Linux, that is, it can be used to make a file readable, writable and executable depending on the user needs.
💡 Key Topics Covered:
1. Understand the basics of chmod command, chmod command syntax and its options
2. Learn about the basics of file permissions in Linux
3. Learn how to give permissions using normal expression of the chmod command
4. Learn how to revoke permissions using normal expression of the chmod command
5. Learn how to give permissions using logical expression of the chmod command
6. Learn how to revoke permissions using logical expression of the chmod command
7. Learn how to change permissions for all users in Linux
8. Learn how to give permissions using octal notation of the chmod command
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Content Index
0:00 Introduction
0:19 What is chmod Command?
1:08 Example 1: Giving Permissions Using Normal Expression of the “chmod” Command in Linux
2:34 Example 2: Revoking Permissions Using Normal Expression of the “chmod” Command in Linux
3:30 Example 3: Giving Permissions Using Logical Expression of the “chmod” Command in Linux
4:40 Example 4: Revoking Permissions Using Logical Expression of the “chmod” Command in Linux
5:20 Example 5: Changing Permissions for All the Users
6:16 Example 6: Giving Permissions Using Octal Notation of the “chmod” Command in Linux
Instructor Details
Fahmid Bin Kibria
https://linuxsimply.com/fahmid-bin-ki...
Editor Details
Reshma Raj
https://linuxsimply.com/reshma-raj/
Article Link
The “chmod” Command in Linux [6 Practical Examples]
https://linuxsimply.com/chmod-command...
Commands Used
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Example 1: Giving Permissions Using Normal Expression of the “chmod” Command in Linux
chmod o=rwx File1.txt
Example 2: Revoking Permissions Using Normal Expression of the “chmod” Command in Linux
chmod g= File2.txt
Example 3: Giving Permissions Using Logical Expression of the “chmod” Command in Linux
chmod g+r File2.txt
chmod g+w File2.txt
chmod g+x File2.txt
Example 4: Revoking Permissions Using Logical Expression of the “chmod” Command in Linux
chmod o-r File2.txt
Example 5: Changing Permissions for All the Users
chmod a-r File1.txt
Example 6: Giving Permissions Using Octal Notation of the “chmod” Command in Linux
chmod 667 File1.txt
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