Chmod Calculator

Linux Permissions Tool

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Chmod 6666

Owner can read, write. Group can read, write. Others can read, write. SETUID bit is set. SETGID bit is set.

Numeric Notation

6666

Symbolic Notation

rwSrwSrw-

Command

chmod 6666 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
✓ SETGID bit is set

For Files

chmod 6666 filename.txt
Changes permissions of a single file
chmod 6666 *.txt
Changes permissions of all .txt files
After applying chmod 6666, files will display as:
rwSrwSrw- filename.txt

For Directories

chmod 6666 dirname
Changes permissions of a directory
chmod -R 6666 dirname
Recursively changes all files and subdirectories
After applying chmod 6666, directories will display as:
drwSrwSrw- dirname

Common Use Cases for Chmod 6666

1
Shared Reading
Files that need to be readable by multiple users or groups.
2
General Purpose
This permission set is useful when you need owner read, write access.
3
General Purpose
This permission set is useful when you need owner read, write access.

Related Chmod Codes

Explore similar permission configurations

6664
rwSrwSr--
6665
rwSrwSr-x
6667
rwSrwSrwx
644
rw-r--r--
755
rwxr-xr-x
777
rwxrwxrwx

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 6666

The chmod 6666 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read, write. group can read, write. others can read, write. setuid bit is set. setgid bit is set.

In the numeric notation 6666, each digit represents the permission level for different user categories. The symbolic representation rwSrwSrw- 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 6666 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.