chmod 276 Permission Explained
Summary: chmod 276 gives the owner write, the group read/write/execute, and everyone else read/write.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 2 | |||
| Group (g) | 7 | |||
| Others (o) | 6 |
chmod 276 filename
chmod 276 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) | 6 |
rw- |
Read and write | Can list names, cannot enter |
Is chmod 276 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Every member of the group can modify this file.
- Any user can read this file — never use it for secrets such as keys or .env files.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
276 is uncommon in standard Linux setups. The closest widely used permission is chmod 666.
chmod 276 Command Examples
# Apply using octal mode
chmod 276 filename
# Apply using equivalent symbolic mode
chmod u=w,g=rwx,o=rw filename
# Recursive command warning:
chmod -R 276 /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 276 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--w-rwxrw- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 501 makes new directories 276. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 276 mean?
chmod 276 gives the owner write, the group read/write/execute, and everyone else read/write. In octal notation, the owner receives 2 (write), the group receives 7 (read/write/execute), and others receive 6 (read/write).
Is chmod 276 safe?
chmod 276 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 276 in symbolic notation?
In symbolic notation, chmod 276 is represented as -w-rwxrw-. You can apply this permission using the equivalent symbolic command "chmod u=w,g=rwx,o=rw filename".
Related Permissions
Change one bit: