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Chmod 770

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

Numeric Notation

770

Symbolic Notation

rwxrwx---

Command

chmod 770 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 770 filename.txt

Changes permissions of a single file

chmod 770 *.txt

Changes permissions of all .txt files

After applying chmod 770, files will display as:

rwxrwx--- filename.txt

For Directories

chmod 770 dirname

Changes permissions of a directory

chmod -R 770 dirname

Recursively changes all files and subdirectories

After applying chmod 770, directories will display as:

drwxrwx--- dirname

Common Use Cases for Chmod 770

Owner Scripts

Files where the owner needs full control and execution rights.

Shared Reading

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

Restricted Access

Files with restricted access, not available to public users.

Related Chmod Codes

Explore similar permission configurations

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 770

The chmod 770 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read, write, execute. group can read, write, execute. others have no permissions.

In the numeric notation 770, each digit represents the permission level for different user categories. The symbolic representation rwxrwx--- 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 770 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.