chmod 044 Permission Explained
Summary: chmod 044 gives the owner no access, the group read, and everyone else read.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 0 | |||
| Group (g) | 4 | |||
| Others (o) | 4 |
chmod 044 filename
chmod 044 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 0 |
--- |
No access | Cannot list, enter, or modify |
| 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 044 Safe?
Low Risk
- Any user can read this file — never use it for secrets such as keys or .env files.
- Even the owner cannot modify this file without changing permissions first.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
044 is uncommon in standard Linux setups. The closest widely used permission is chmod 444.
chmod 044 Command Examples
# Apply using octal mode
chmod 044 filename
# Apply using equivalent symbolic mode
chmod u=,g=r,o=r filename
# Recursive command warning:
chmod -R 044 /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 044 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
----r--r-- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 733 makes new directories 044 and new files 044. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 044 mean?
chmod 044 gives the owner no access, the group read, and everyone else read. In octal notation, the owner receives 0 (no access), the group receives 4 (read), and others receive 4 (read).
Is chmod 044 safe?
chmod 044 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 044 in symbolic notation?
In symbolic notation, chmod 044 is represented as ---r--r--. You can apply this permission using the equivalent symbolic command "chmod u=,g=r,o=r filename".
Related Permissions
Change one bit: