chmod 413 Permission Explained
Summary: chmod 413 gives the owner read, the group execute, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 4 | |||
| Group (g) | 1 | |||
| Others (o) | 3 |
chmod 413 filename
chmod 413 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 4 |
r-- |
Read only | Can list names, but not enter |
| Group (g) | 1 |
--x |
Execute only | Can enter (cd) but not list contents |
| Others (o) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 413 Safe?
Critical Risk
- Anyone on the system can modify or replace 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
413 is uncommon in standard Linux setups. The closest widely used permission is chmod 400.
chmod 413 Command Examples
# Apply using octal mode
chmod 413 filename
# Apply using equivalent symbolic mode
chmod u=r,g=x,o=wx filename
# Recursive command warning:
chmod -R 413 /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 413 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-r----x-wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 364 makes new directories 413. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 413 mean?
chmod 413 gives the owner read, the group execute, and everyone else write/execute. In octal notation, the owner receives 4 (read), the group receives 1 (execute), and others receive 3 (write/execute).
Is chmod 413 safe?
chmod 413 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 413 in symbolic notation?
In symbolic notation, chmod 413 is represented as r----x-wx. You can apply this permission using the equivalent symbolic command "chmod u=r,g=x,o=wx filename".
Related Permissions
Change one bit: