Chmod Calculator

Linux Permissions Tool

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Chmod 7740

Owner can read, write, execute. Group can read. Others have no permissions. SETUID bit is set. SETGID bit is set. Sticky bit is set.

Numeric Notation

7740

Symbolic Notation

rwsr-S--T

Command

chmod 7740 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
✓ Sticky bit is set

For Files

chmod 7740 filename.txt
Changes permissions of a single file
chmod 7740 *.txt
Changes permissions of all .txt files
After applying chmod 7740, files will display as:
rwsr-S--T filename.txt

For Directories

chmod 7740 dirname
Changes permissions of a directory
chmod -R 7740 dirname
Recursively changes all files and subdirectories
After applying chmod 7740, directories will display as:
drwsr-S--T dirname

Common Use Cases for Chmod 7740

1
Owner Scripts
Files where the owner needs full control and execution rights.
2
Shared Reading
Files that need to be readable by multiple users or groups.
3
Restricted Access
Files with restricted access, not available to public users.

Related Chmod Codes

Explore similar permission configurations

7741
rwsr-S--t
7742
rwsr-S-wT
644
rw-r--r--
755
rwxr-xr-x
777
rwxrwxrwx
700
rwx------

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 7740

The chmod 7740 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read, write, execute. group can read. others have no permissions. setuid bit is set. setgid bit is set. sticky bit is set.

In the numeric notation 7740, each digit represents the permission level for different user categories. The symbolic representation rwsr-S--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 7740 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.