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Chmod 700

Owner can read, write, execute. Group has no permissions. Others have no permissions.

Numeric Notation

700

Symbolic Notation

rwx------

Command

chmod 700 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 700 filename.txt

Changes permissions of a single file

chmod 700 *.txt

Changes permissions of all .txt files

After applying chmod 700, files will display as:

rwx------ filename.txt

For Directories

chmod 700 dirname

Changes permissions of a directory

chmod -R 700 dirname

Recursively changes all files and subdirectories

After applying chmod 700, directories will display as:

drwx------ dirname

Common Use Cases for Chmod 700

Private Scripts

Personal scripts that should only be accessible by the owner.

Sensitive Data

Files containing sensitive information that must remain private.

User Directories

Home directories or personal folders requiring maximum privacy.

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Understanding Chmod 700

The chmod 700 command sets specific file permissions in Linux and Unix systems. This permission configuration owner can read, write, execute. group has no permissions. others have no permissions.

In the numeric notation 700, each digit represents the permission level for different user categories. The symbolic representation rwx------ 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 700 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.