chmod 110 Permission Explained
Summary: chmod 110 gives the owner execute, the group execute, and everyone else no access.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 1 | |||
| Group (g) | 1 | |||
| Others (o) | 0 |
chmod 110 filename
chmod 110 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 1 |
--x |
Execute only | Can enter (cd) but not list contents |
| 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 110 Safe?
Low Risk
- Even the owner cannot modify this file without changing permissions first.
- Scripts need read permission to run; only compiled binaries can be executed without it.
Common Use Cases
110 is uncommon in standard Linux setups. The closest widely used permission is chmod 500.
chmod 110 Command Examples
# Apply using octal mode
chmod 110 filename
# Apply using equivalent symbolic mode
chmod u=x,g=x,o= filename
# Recursive command warning:
chmod -R 110 /path/to/dir
# Note: -R applies the same mode to files and directories. Use find to treat them separately:
find /path/to/dir -type d -exec chmod 110 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
---x--x--- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 667 makes new directories 110. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 110 mean?
chmod 110 gives the owner execute, the group execute, and everyone else no access. In octal notation, the owner receives 1 (execute), the group receives 1 (execute), and others receive 0 (no access).
Is chmod 110 safe?
chmod 110 is classified as Low Risk. Even the owner cannot modify this file without changing permissions first.
What is chmod 110 in symbolic notation?
In symbolic notation, chmod 110 is represented as --x--x---. You can apply this permission using the equivalent symbolic command "chmod u=x,g=x,o= filename".
Related Permissions
Change one bit: