chmod 272 Permission Explained
Summary: chmod 272 gives the owner write, the group read/write/execute, and everyone else write.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 2 | |||
| Group (g) | 7 | |||
| Others (o) | 2 |
chmod 272 filename
chmod 272 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) | 2 |
-w- |
Write only (rarely useful) | No practical effect without x |
Is chmod 272 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
272 is uncommon in standard Linux setups. The closest widely used permission is chmod 666.
chmod 272 Command Examples
# Apply using octal mode
chmod 272 filename
# Apply using equivalent symbolic mode
chmod u=w,g=rwx,o=w filename
# Recursive command warning:
chmod -R 272 /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 272 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--w-rwx-w- 1 alice staff 1024 Jan 15 10:00 example.txt
umask Relationship
A umask of 505 makes new directories 272. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 272 mean?
chmod 272 gives the owner write, the group read/write/execute, and everyone else write. In octal notation, the owner receives 2 (write), the group receives 7 (read/write/execute), and others receive 2 (write).
Is chmod 272 safe?
chmod 272 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 272 in symbolic notation?
In symbolic notation, chmod 272 is represented as -w-rwx-w-. You can apply this permission using the equivalent symbolic command "chmod u=w,g=rwx,o=w filename".
Related Permissions
Change one bit: