chmod 632 Permission Explained
Summary: chmod 632 gives the owner read/write, the group write/execute, and everyone else write.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 6 | |||
| Group (g) | 3 | |||
| Others (o) | 2 |
chmod 632 filename
chmod 632 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 6 |
rw- |
Read and write | Can list names, cannot enter |
| Group (g) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
| Others (o) | 2 |
-w- |
Write only (rarely useful) | No practical effect without x |
Is chmod 632 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Every member of the group can modify this file.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
632 is uncommon in standard Linux setups. The closest widely used permission is chmod 600.
chmod 632 Command Examples
# Apply using octal mode
chmod 632 filename
# Apply using equivalent symbolic mode
chmod u=rw,g=wx,o=w filename
# Recursive command warning:
chmod -R 632 /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 632 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-rw--wx-w- 1 alice staff 1024 Jan 15 10:00 example.txt
umask Relationship
A umask of 145 makes new directories 632. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 632 mean?
chmod 632 gives the owner read/write, the group write/execute, and everyone else write. In octal notation, the owner receives 6 (read/write), the group receives 3 (write/execute), and others receive 2 (write).
Is chmod 632 safe?
chmod 632 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 632 in symbolic notation?
In symbolic notation, chmod 632 is represented as rw--wx-w-. You can apply this permission using the equivalent symbolic command "chmod u=rw,g=wx,o=w filename".
Related Permissions
Change one bit: