chmod 353 Permission Explained
Summary: chmod 353 gives the owner write/execute, the group read/execute, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 3 | |||
| Group (g) | 5 | |||
| Others (o) | 3 |
chmod 353 filename
chmod 353 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) | 5 |
r-x |
Read and execute | Can list and enter |
| Others (o) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 353 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Scripts need read permission to run; only compiled binaries can be executed without it.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
353 is uncommon in standard Linux setups. The closest widely used permission is chmod 755.
chmod 353 Command Examples
# Apply using octal mode
chmod 353 filename
# Apply using equivalent symbolic mode
chmod u=wx,g=rx,o=wx filename
# Recursive command warning:
chmod -R 353 /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 353 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--wxr-x-wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 424 makes new directories 353. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 353 mean?
chmod 353 gives the owner write/execute, the group read/execute, and everyone else write/execute. In octal notation, the owner receives 3 (write/execute), the group receives 5 (read/execute), and others receive 3 (write/execute).
Is chmod 353 safe?
chmod 353 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 353 in symbolic notation?
In symbolic notation, chmod 353 is represented as -wxr-x-wx. You can apply this permission using the equivalent symbolic command "chmod u=wx,g=rx,o=wx filename".
Related Permissions
Change one bit: