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Chmod 403

Owner can read. Group has no permissions. Others can write, execute.

Numeric Notation

403

Symbolic Notation

r------wx

Command

chmod 403 file

Permission Breakdown

Detailed view of permissions for each user category

Owner

✓ Read✗ Write✗ Execute

Group

✗ Read✗ Write✗ Execute

Others

✗ Read✓ Write✓ Execute

For Files

chmod 403 filename.txt

Changes permissions of a single file

chmod 403 *.txt

Changes permissions of all .txt files

After applying chmod 403, files will display as:

r------wx filename.txt

For Directories

chmod 403 dirname

Changes permissions of a directory

chmod -R 403 dirname

Recursively changes all files and subdirectories

After applying chmod 403, directories will display as:

dr------wx dirname

Common Use Cases for Chmod 403

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.

General Purpose

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

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Try the Interactive Calculator

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Understanding Chmod 403

The chmod 403 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read. group has no permissions. others can write, execute.

In the numeric notation 403, each digit represents the permission level for different user categories. The symbolic representation r------wx 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 403 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.