Home/chmod 755

Chmod 755

Owner can read, write, execute. Group can read, execute. Others can read, execute.

Numeric Notation

755

Symbolic Notation

rwxr-xr-x

Command

chmod 755 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 755 filename.txt

Changes permissions of a single file

chmod 755 *.txt

Changes permissions of all .txt files

After applying chmod 755, files will display as:

rwxr-xr-x filename.txt

For Directories

chmod 755 dirname

Changes permissions of a directory

chmod -R 755 dirname

Recursively changes all files and subdirectories

After applying chmod 755, directories will display as:

drwxr-xr-x dirname

Common Use Cases for Chmod 755

Executable Scripts

Standard permission for shell scripts and programs that need to be executed.

Directories

Common permission for directories allowing others to list and access contents.

CGI Scripts

Web server scripts that need to be executed by the server.

Related Chmod Codes

Explore similar permission configurations

Try the Interactive Calculator

Experiment with different permission combinations

Understanding Chmod 755

The chmod 755 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read, write, execute. group can read, execute. others can read, execute.

In the numeric notation 755, each digit represents the permission level for different user categories. The symbolic representation rwxr-xr-x 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 755 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.