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Chmod 2220

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

Numeric Notation

2220

Symbolic Notation

-w--wS---

Command

chmod 2220 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

✓ SETGID bit is set

For Files

chmod 2220 filename.txt

Changes permissions of a single file

chmod 2220 *.txt

Changes permissions of all .txt files

After applying chmod 2220, files will display as:

-w--wS--- filename.txt

For Directories

chmod 2220 dirname

Changes permissions of a directory

chmod -R 2220 dirname

Recursively changes all files and subdirectories

After applying chmod 2220, directories will display as:

d-w--wS--- dirname

Common Use Cases for Chmod 2220

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 2220

The chmod 2220 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can write. group can write. others have no permissions. setgid bit is set.

In the numeric notation 2220, each digit represents the permission level for different user categories. The symbolic representation -w--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 2220 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.