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Chmod 7000

Owner has no permissions. Group has no permissions. Others have no permissions. SETUID bit is set. SETGID bit is set. Sticky bit is set.

Numeric Notation

7000

Symbolic Notation

--S--S--T

Command

chmod 7000 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 7000 filename.txt
Changes permissions of a single file
chmod 7000 *.txt
Changes permissions of all .txt files
After applying chmod 7000, files will display as:
--S--S--T filename.txt

For Directories

chmod 7000 dirname
Changes permissions of a directory
chmod -R 7000 dirname
Recursively changes all files and subdirectories
After applying chmod 7000, directories will display as:
d--S--S--T dirname

Common Use Cases for Chmod 7000

1
Restricted Access
Files with restricted access, not available to public users.
2
General Purpose
This permission set is useful when you need access.
3
General Purpose
This permission set is useful when you need access.

Related Chmod Codes

Explore similar permission configurations

7001
--S--S--t
7002
--S--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 7000

The chmod 7000 command sets specific file permissions in Linux and Unix systems. This permission configuration owner has no permissions. group has no permissions. others have no permissions. setuid bit is set. setgid bit is set. sticky bit is set.

In the numeric notation 7000, each digit represents the permission level for different user categories. The symbolic representation --S--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 7000 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.