chmod 273 Permission Explained
Summary: chmod 273 gives the owner write, the group read/write/execute, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 2 | |||
| Group (g) | 7 | |||
| Others (o) | 3 |
chmod 273 filename
chmod 273 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) | 7 |
rwx |
Full access | Full access: list, enter, create, delete |
| Others (o) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 273 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Every member of the group can modify this file.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
273 is uncommon in standard Linux setups. The closest widely used permission is chmod 777.
chmod 273 Command Examples
# Apply using octal mode
chmod 273 filename
# Apply using equivalent symbolic mode
chmod u=w,g=rwx,o=wx filename
# Recursive command warning:
chmod -R 273 /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 273 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--w-rwx-wx 1 alice staff 1024 Jan 15 10:00 example.txt
umask Relationship
A umask of 504 makes new directories 273. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 273 mean?
chmod 273 gives the owner write, the group read/write/execute, and everyone else write/execute. In octal notation, the owner receives 2 (write), the group receives 7 (read/write/execute), and others receive 3 (write/execute).
Is chmod 273 safe?
chmod 273 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 273 in symbolic notation?
In symbolic notation, chmod 273 is represented as -w-rwx-wx. You can apply this permission using the equivalent symbolic command "chmod u=w,g=rwx,o=wx filename".
Related Permissions
Change one bit: