chmod 363 Permission Explained
Summary: chmod 363 gives the owner write/execute, the group read/write, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 3 | |||
| Group (g) | 6 | |||
| Others (o) | 3 |
chmod 363 filename
chmod 363 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) | 6 |
rw- |
Read and write | Can list names, cannot enter |
| Others (o) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 363 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.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
363 is uncommon in standard Linux setups. The closest widely used permission is chmod 777.
chmod 363 Command Examples
# Apply using octal mode
chmod 363 filename
# Apply using equivalent symbolic mode
chmod u=wx,g=rw,o=wx filename
# Recursive command warning:
chmod -R 363 /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 363 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--wxrw--wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 414 makes new directories 363. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 363 mean?
chmod 363 gives the owner write/execute, the group read/write, and everyone else write/execute. In octal notation, the owner receives 3 (write/execute), the group receives 6 (read/write), and others receive 3 (write/execute).
Is chmod 363 safe?
chmod 363 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 363 in symbolic notation?
In symbolic notation, chmod 363 is represented as -wxrw--wx. You can apply this permission using the equivalent symbolic command "chmod u=wx,g=rw,o=wx filename".
Related Permissions
Change one bit: