chmod 213 Permission Explained
Summary: chmod 213 gives the owner write, the group execute, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 2 | |||
| Group (g) | 1 | |||
| Others (o) | 3 |
chmod 213 filename
chmod 213 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 2 |
-w- |
Write only (rarely useful) | No practical effect without x |
| Group (g) | 1 |
--x |
Execute only | Can enter (cd) but not list contents |
| Others (o) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 213 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
213 is uncommon in standard Linux setups. The closest widely used permission is chmod 711.
chmod 213 Command Examples
# Apply using octal mode
chmod 213 filename
# Apply using equivalent symbolic mode
chmod u=w,g=x,o=wx filename
# Recursive command warning:
chmod -R 213 /path/to/dir
# Note: -R applies the same mode to files and directories. Use find to treat them separately:
find /path/to/dir -type f -exec chmod 213 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--w---x-wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 564 makes new directories 213. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 213 mean?
chmod 213 gives the owner write, the group execute, and everyone else write/execute. In octal notation, the owner receives 2 (write), the group receives 1 (execute), and others receive 3 (write/execute).
Is chmod 213 safe?
chmod 213 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 213 in symbolic notation?
In symbolic notation, chmod 213 is represented as -w---x-wx. You can apply this permission using the equivalent symbolic command "chmod u=w,g=x,o=wx filename".
Related Permissions
Change one bit: