chmod 610 Permission Explained
Summary: chmod 610 gives the owner read/write, the group execute, and everyone else no access.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 6 | |||
| Group (g) | 1 | |||
| Others (o) | 0 |
chmod 610 filename
chmod 610 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 6 |
rw- |
Read and write | Can list names, cannot enter |
| Group (g) | 1 |
--x |
Execute only | Can enter (cd) but not list contents |
| Others (o) | 0 |
--- |
No access | Cannot list, enter, or modify |
Is chmod 610 Safe?
Low Risk
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
610 is uncommon in standard Linux setups. The closest widely used permission is chmod 600.
chmod 610 Command Examples
# Apply using octal mode
chmod 610 filename
# Apply using equivalent symbolic mode
chmod u=rw,g=x,o= filename
# Recursive command warning:
chmod -R 610 /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 610 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-rw---x--- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 167 makes new directories 610. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 610 mean?
chmod 610 gives the owner read/write, the group execute, and everyone else no access. In octal notation, the owner receives 6 (read/write), the group receives 1 (execute), and others receive 0 (no access).
Is chmod 610 safe?
chmod 610 is classified as Low Risk. Unusual: a lower class has permissions the class above it lacks.
What is chmod 610 in symbolic notation?
In symbolic notation, chmod 610 is represented as rw---x---. You can apply this permission using the equivalent symbolic command "chmod u=rw,g=x,o= filename".
Related Permissions
Change one bit: