chmod 333 Permission Explained
Summary: chmod 333 gives the owner write/execute, the group write/execute, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 3 | |||
| Group (g) | 3 | |||
| Others (o) | 3 |
chmod 333 filename
chmod 333 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
| Group (g) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
| Others (o) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 333 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Every member of the group can modify this file.
- Scripts need read permission to run; only compiled binaries can be executed without it.
Common Use Cases
333 is uncommon in standard Linux setups. The closest widely used permission is chmod 777.
chmod 333 Command Examples
# Apply using octal mode
chmod 333 filename
# Apply using equivalent symbolic mode
chmod u=wx,g=wx,o=wx filename
# Recursive command warning:
chmod -R 333 /path/to/dir
# Note: -R applies the same mode to files and directories. Use find to treat them separately:
find /path/to/dir -type d -exec chmod 333 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--wx-wx-wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 444 makes new directories 333. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 333 mean?
chmod 333 gives the owner write/execute, the group write/execute, and everyone else write/execute. In octal notation, the owner receives 3 (write/execute), the group receives 3 (write/execute), and others receive 3 (write/execute).
Is chmod 333 safe?
chmod 333 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 333 in symbolic notation?
In symbolic notation, chmod 333 is represented as -wx-wx-wx. You can apply this permission using the equivalent symbolic command "chmod u=wx,g=wx,o=wx filename".
Related Permissions
Change one bit: