chmod 274 Permission Explained
Summary: chmod 274 gives the owner write, the group read/write/execute, and everyone else read.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 2 | |||
| Group (g) | 7 | |||
| Others (o) | 4 |
chmod 274 filename
chmod 274 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) | 4 |
r-- |
Read only | Can list names, but not enter |
Is chmod 274 Safe?
Moderate
- 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
274 is uncommon in standard Linux setups. The closest widely used permission is chmod 664.
chmod 274 Command Examples
# Apply using octal mode
chmod 274 filename
# Apply using equivalent symbolic mode
chmod u=w,g=rwx,o=r filename
# Recursive command warning:
chmod -R 274 /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 274 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--w-rwxr-- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 503 makes new directories 274. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 274 mean?
chmod 274 gives the owner write, the group read/write/execute, and everyone else read. In octal notation, the owner receives 2 (write), the group receives 7 (read/write/execute), and others receive 4 (read).
Is chmod 274 safe?
chmod 274 is classified as Moderate. Every member of the group can modify this file.
What is chmod 274 in symbolic notation?
In symbolic notation, chmod 274 is represented as -w-rwxr--. You can apply this permission using the equivalent symbolic command "chmod u=w,g=rwx,o=r filename".
Related Permissions
Change one bit: