chmod 062 Permission Explained
Summary: chmod 062 gives the owner no access, the group read/write, and everyone else write.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 0 | |||
| Group (g) | 6 | |||
| Others (o) | 2 |
chmod 062 filename
chmod 062 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 0 |
--- |
No access | Cannot list, enter, or modify |
| Group (g) | 6 |
rw- |
Read and write | Can list names, cannot enter |
| Others (o) | 2 |
-w- |
Write only (rarely useful) | No practical effect without x |
Is chmod 062 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Every member of the group can modify 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
062 is uncommon in standard Linux setups. The closest widely used permission is chmod 666.
chmod 062 Command Examples
# Apply using octal mode
chmod 062 filename
# Apply using equivalent symbolic mode
chmod u=,g=rw,o=w filename
# Recursive command warning:
chmod -R 062 /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 062 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
----rw--w- 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 715 makes new directories 062 and new files 062. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 062 mean?
chmod 062 gives the owner no access, the group read/write, and everyone else write. In octal notation, the owner receives 0 (no access), the group receives 6 (read/write), and others receive 2 (write).
Is chmod 062 safe?
chmod 062 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 062 in symbolic notation?
In symbolic notation, chmod 062 is represented as ---rw--w-. You can apply this permission using the equivalent symbolic command "chmod u=,g=rw,o=w filename".
Related Permissions
Change one bit: