chmod 471 Permission Explained
Summary: chmod 471 gives the owner read, the group read/write/execute, and everyone else execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 4 | |||
| Group (g) | 7 | |||
| Others (o) | 1 |
chmod 471 filename
chmod 471 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 4 |
r-- |
Read only | Can list names, but not enter |
| Group (g) | 7 |
rwx |
Full access | Full access: list, enter, create, delete |
| Others (o) | 1 |
--x |
Execute only | Can enter (cd) but not list contents |
Is chmod 471 Safe?
Moderate
- Every member of the group can modify this file.
- 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
471 is uncommon in standard Linux setups. The closest widely used permission is chmod 775.
chmod 471 Command Examples
# Apply using octal mode
chmod 471 filename
# Apply using equivalent symbolic mode
chmod u=r,g=rwx,o=x filename
# Recursive command warning:
chmod -R 471 /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 471 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-r--rwx--x 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 306 makes new directories 471. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 471 mean?
chmod 471 gives the owner read, the group read/write/execute, and everyone else execute. In octal notation, the owner receives 4 (read), the group receives 7 (read/write/execute), and others receive 1 (execute).
Is chmod 471 safe?
chmod 471 is classified as Moderate. Every member of the group can modify this file.
What is chmod 471 in symbolic notation?
In symbolic notation, chmod 471 is represented as r--rwx--x. You can apply this permission using the equivalent symbolic command "chmod u=r,g=rwx,o=x filename".
Related Permissions
Change one bit: