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Chmod 7405

Owner can read. Group has no permissions. Others can read, execute. SETUID bit is set. SETGID bit is set. Sticky bit is set.

Numeric Notation

7405

Symbolic Notation

r-S--Sr-t

Command

chmod 7405 file

Permission Breakdown

Detailed view of permissions for each user category

Owner

✓ Read✗ Write✗ Execute

Group

✗ Read✗ Write✗ Execute

Others

✓ Read✗ Write✓ Execute

Special Permissions

✓ SETUID bit is set

✓ SETGID bit is set

✓ Sticky bit is set

For Files

chmod 7405 filename.txt

Changes permissions of a single file

chmod 7405 *.txt

Changes permissions of all .txt files

After applying chmod 7405, files will display as:

r-S--Sr-t filename.txt

For Directories

chmod 7405 dirname

Changes permissions of a directory

chmod -R 7405 dirname

Recursively changes all files and subdirectories

After applying chmod 7405, directories will display as:

dr-S--Sr-t dirname

Common Use Cases for Chmod 7405

Shared Reading

Files that need to be readable by multiple users or groups.

General Purpose

This permission set is useful when you need owner read access.

General Purpose

This permission set is useful when you need owner read access.

Related Chmod Codes

Explore similar permission configurations

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 7405

The chmod 7405 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read. group has no permissions. others can read, execute. setuid bit is set. setgid bit is set. sticky bit is set.

In the numeric notation 7405, each digit represents the permission level for different user categories. The symbolic representation r-S--Sr-t provides a visual way to understand these permissions, where 'r' means read, 'w' means write, 'x' means execute, and '-' means no permission.

When you execute chmod 7405 filename, you're modifying the file's access control list to match this specific permission pattern. This is essential for maintaining proper security and access control in multi-user environments.