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Chmod 4200

Owner can write. Group has no permissions. Others have no permissions. SETUID bit is set.

Numeric Notation

4200

Symbolic Notation

-wS------

Command

chmod 4200 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

For Files

chmod 4200 filename.txt

Changes permissions of a single file

chmod 4200 *.txt

Changes permissions of all .txt files

After applying chmod 4200, files will display as:

-wS------ filename.txt

For Directories

chmod 4200 dirname

Changes permissions of a directory

chmod -R 4200 dirname

Recursively changes all files and subdirectories

After applying chmod 4200, directories will display as:

d-wS------ dirname

Common Use Cases for Chmod 4200

Restricted Access

Files with restricted access, not available to public users.

General Purpose

This permission set is useful when you need , write access.

General Purpose

This permission set is useful when you need , write access.

Related Chmod Codes

Explore similar permission configurations

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 4200

The chmod 4200 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can write. group has no permissions. others have no permissions. setuid bit is set.

In the numeric notation 4200, each digit represents the permission level for different user categories. The symbolic representation -wS------ 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 4200 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.