chmod 344 Permission Explained
Summary: chmod 344 gives the owner write/execute, the group read, and everyone else read.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 3 | |||
| Group (g) | 4 | |||
| Others (o) | 4 |
chmod 344 filename
chmod 344 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) | 4 |
r-- |
Read only | Can list names, but not enter |
| Others (o) | 4 |
r-- |
Read only | Can list names, but not enter |
Is chmod 344 Safe?
Low Risk
- Any user can read this file — never use it for secrets such as keys or .env files.
- 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
344 is uncommon in standard Linux setups. The closest widely used permission is chmod 744.
chmod 344 Command Examples
# Apply using octal mode
chmod 344 filename
# Apply using equivalent symbolic mode
chmod u=wx,g=r,o=r filename
# Recursive command warning:
chmod -R 344 /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 344 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--wxr--r-- 1 alice staff 1024 Jan 15 10:00 example.txt
umask Relationship
A umask of 433 makes new directories 344. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 344 mean?
chmod 344 gives the owner write/execute, the group read, and everyone else read. In octal notation, the owner receives 3 (write/execute), the group receives 4 (read), and others receive 4 (read).
Is chmod 344 safe?
chmod 344 is classified as Low Risk. Any user can read this file — never use it for secrets such as keys or .env files.
What is chmod 344 in symbolic notation?
In symbolic notation, chmod 344 is represented as -wxr--r--. You can apply this permission using the equivalent symbolic command "chmod u=wx,g=r,o=r filename".
Related Permissions
Change one bit: