chmod 650 Permission Explained
Summary: chmod 650 gives the owner read/write, the group read/execute, and everyone else no access.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 6 | |||
| Group (g) | 5 | |||
| Others (o) | 0 |
chmod 650 filename
chmod 650 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 6 |
rw- |
Read and write | Can list names, cannot enter |
| Group (g) | 5 |
r-x |
Read and execute | Can list and enter |
| Others (o) | 0 |
--- |
No access | Cannot list, enter, or modify |
Is chmod 650 Safe?
Low Risk
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
650 is uncommon in standard Linux setups. The closest widely used permission is chmod 750.
chmod 650 Command Examples
# Apply using octal mode
chmod 650 filename
# Apply using equivalent symbolic mode
chmod u=rw,g=rx,o= filename
# Recursive command warning:
chmod -R 650 /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 650 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-rw-r-x--- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 127 makes new directories 650. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 650 mean?
chmod 650 gives the owner read/write, the group read/execute, and everyone else no access. In octal notation, the owner receives 6 (read/write), the group receives 5 (read/execute), and others receive 0 (no access).
Is chmod 650 safe?
chmod 650 is classified as Low Risk. Unusual: a lower class has permissions the class above it lacks.
What is chmod 650 in symbolic notation?
In symbolic notation, chmod 650 is represented as rw-r-x---. You can apply this permission using the equivalent symbolic command "chmod u=rw,g=rx,o= filename".
Related Permissions
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