chmod 470 Permission Explained
Summary: chmod 470 gives the owner read, the group read/write/execute, and everyone else no access.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 4 | |||
| Group (g) | 7 | |||
| Others (o) | 0 |
chmod 470 filename
chmod 470 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) | 0 |
--- |
No access | Cannot list, enter, or modify |
Is chmod 470 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
470 is uncommon in standard Linux setups. The closest widely used permission is chmod 660.
chmod 470 Command Examples
# Apply using octal mode
chmod 470 filename
# Apply using equivalent symbolic mode
chmod u=r,g=rwx,o= filename
# Recursive command warning:
chmod -R 470 /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 470 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-r--rwx--- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 307 makes new directories 470. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 470 mean?
chmod 470 gives the owner read, the group read/write/execute, and everyone else no access. In octal notation, the owner receives 4 (read), the group receives 7 (read/write/execute), and others receive 0 (no access).
Is chmod 470 safe?
chmod 470 is classified as Moderate. Every member of the group can modify this file.
What is chmod 470 in symbolic notation?
In symbolic notation, chmod 470 is represented as r--rwx---. You can apply this permission using the equivalent symbolic command "chmod u=r,g=rwx,o= filename".
Related Permissions
Change one bit: