chmod 632 Permission Explained

Notice: This is an unusual permission set: some classes have more access than the class above them. It is rarely correct in practice.
Octal
632
Symbolic
rw--wx-w-
Binary
110 011 010
Risk Level
Critical Risk

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
632
rw--wx-w-
Owner: read/write · Group: write/execute · Others: write
chmod 632 filename
Critical Risk Anyone on the system can modify or replace this file.
View the full chmod 632 guide →
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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

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.

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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:

← chmod 631 chmod 633 →

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