chmod 060 Permission Explained
Summary: chmod 060 gives the owner no access, the group read/write, and everyone else no access.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 0 | |||
| Group (g) | 6 | |||
| Others (o) | 0 |
chmod 060 filename
chmod 060 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 0 |
--- |
No access | Cannot list, enter, or modify |
| Group (g) | 6 |
rw- |
Read and write | Can list names, cannot enter |
| Others (o) | 0 |
--- |
No access | Cannot list, enter, or modify |
Is chmod 060 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
060 is uncommon in standard Linux setups. The closest widely used permission is chmod 660.
chmod 060 Command Examples
# Apply using octal mode
chmod 060 filename
# Apply using equivalent symbolic mode
chmod u=,g=rw,o= filename
# Recursive command warning:
chmod -R 060 /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 060 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
----rw---- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 717 makes new directories 060 and new files 060. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 060 mean?
chmod 060 gives the owner no access, the group read/write, and everyone else no access. In octal notation, the owner receives 0 (no access), the group receives 6 (read/write), and others receive 0 (no access).
Is chmod 060 safe?
chmod 060 is classified as Moderate. Every member of the group can modify this file.
What is chmod 060 in symbolic notation?
In symbolic notation, chmod 060 is represented as ---rw----. You can apply this permission using the equivalent symbolic command "chmod u=,g=rw,o= filename".
Related Permissions
Change one bit: