Chmod Calculator

Linux Permissions Tool

Home/chmod 3621

Chmod 3621

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

Numeric Notation

3621

Symbolic Notation

rw--wS--t

Command

chmod 3621 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
✓ Sticky bit is set

For Files

chmod 3621 filename.txt
Changes permissions of a single file
chmod 3621 *.txt
Changes permissions of all .txt files
After applying chmod 3621, files will display as:
rw--wS--t filename.txt

For Directories

chmod 3621 dirname
Changes permissions of a directory
chmod -R 3621 dirname
Recursively changes all files and subdirectories
After applying chmod 3621, directories will display as:
drw--wS--t dirname

Common Use Cases for Chmod 3621

1
General Purpose
This permission set is useful when you need owner read, write access.
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

3620
rw--wS--T
3622
rw--wS-wT
3623
rw--wS-wt
644
rw-r--r--
755
rwxr-xr-x
777
rwxrwxrwx

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 3621

The chmod 3621 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read, write. group can write. others can execute. setgid bit is set. sticky bit is set.

In the numeric notation 3621, each digit represents the permission level for different user categories. The symbolic representation rw--wS--t 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 3621 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.