chmod 202 Permission Explained
Summary: chmod 202 gives the owner write, the group no access, and everyone else write.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 2 | |||
| Group (g) | 0 | |||
| Others (o) | 2 |
chmod 202 filename
chmod 202 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) | 0 |
--- |
No access | Cannot list, enter, or modify |
| Others (o) | 2 |
-w- |
Write only (rarely useful) | No practical effect without x |
Is chmod 202 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
202 is uncommon in standard Linux setups. The closest widely used permission is chmod 600.
chmod 202 Command Examples
# Apply using octal mode
chmod 202 filename
# Apply using equivalent symbolic mode
chmod u=w,g=,o=w filename
# Recursive command warning:
chmod -R 202 /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 202 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--w-----w- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 575 makes new directories 202 and new files 202. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 202 mean?
chmod 202 gives the owner write, the group no access, and everyone else write. In octal notation, the owner receives 2 (write), the group receives 0 (no access), and others receive 2 (write).
Is chmod 202 safe?
chmod 202 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 202 in symbolic notation?
In symbolic notation, chmod 202 is represented as -w-----w-. You can apply this permission using the equivalent symbolic command "chmod u=w,g=,o=w filename".
Related Permissions
Change one bit: