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Chmod 2142

Owner can execute. Group can read. Others can write. SETGID bit is set.

Numeric Notation

2142

Symbolic Notation

--xr-S-w-

Command

chmod 2142 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 2142 filename.txt

Changes permissions of a single file

chmod 2142 *.txt

Changes permissions of all .txt files

After applying chmod 2142, files will display as:

--xr-S-w- filename.txt

For Directories

chmod 2142 dirname

Changes permissions of a directory

chmod -R 2142 dirname

Recursively changes all files and subdirectories

After applying chmod 2142, directories will display as:

d--xr-S-w- dirname

Common Use Cases for Chmod 2142

Shared Reading

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

General Purpose

This permission set is useful when you need , and execute access.

General Purpose

This permission set is useful when you need , and execute access.

Related Chmod Codes

Explore similar permission configurations

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 2142

The chmod 2142 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can execute. group can read. others can write. setgid bit is set.

In the numeric notation 2142, each digit represents the permission level for different user categories. The symbolic representation --xr-S-w- 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 2142 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.