chmod 601 Permission Explained
Summary: chmod 601 gives the owner read/write, the group no access, and everyone else execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 6 | |||
| Group (g) | 0 | |||
| Others (o) | 1 |
chmod 601 filename
chmod 601 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 6 |
rw- |
Read and write | Can list names, cannot enter |
| Group (g) | 0 |
--- |
No access | Cannot list, enter, or modify |
| Others (o) | 1 |
--x |
Execute only | Can enter (cd) but not list contents |
Is chmod 601 Safe?
Low Risk
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
601 is uncommon in standard Linux setups. The closest widely used permission is chmod 600.
chmod 601 Command Examples
# Apply using octal mode
chmod 601 filename
# Apply using equivalent symbolic mode
chmod u=rw,g=,o=x filename
# Recursive command warning:
chmod -R 601 /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 601 {} +
# 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 176 makes new directories 601. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 601 mean?
chmod 601 gives the owner read/write, the group no access, and everyone else execute. In octal notation, the owner receives 6 (read/write), the group receives 0 (no access), and others receive 1 (execute).
Is chmod 601 safe?
chmod 601 is classified as Low Risk. Unusual: a lower class has permissions the class above it lacks.
What is chmod 601 in symbolic notation?
In symbolic notation, chmod 601 is represented as rw------x. You can apply this permission using the equivalent symbolic command "chmod u=rw,g=,o=x filename".
Related Permissions
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