chmod 767 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
767
Symbolic
rwxrw-rwx
Binary
111 110 111
Risk Level
Critical Risk

Summary: chmod 767 gives the owner read/write/execute, the group read/write, and everyone else read/write/execute.

Class Read (4) Write (2) Execute (1) Octal
Owner (u) 7
Group (g) 6
Others (o) 7
767
rwxrw-rwx
Owner: read/write/execute · Group: read/write · Others: read/write/execute
chmod 767 filename
Critical Risk Anyone on the system can modify or replace this file.
View the full chmod 767 guide →
Advertisement

chmod 767 Breakdown

Class Digit Symbolic On a file On a directory
Owner (u) 7 rwx Full access Full access: list, enter, create, delete
Group (g) 6 rw- Read and write Can list names, cannot enter
Others (o) 7 rwx Full access Full access: list, enter, create, delete

Is chmod 767 Safe?

Critical Risk

Common Use Cases

767 is uncommon in standard Linux setups. The closest widely used permission is chmod 777.

chmod 767 Command Examples

# Apply using octal mode
chmod 767 filename

# Apply using equivalent symbolic mode
chmod u=rwx,g=rw,o=rwx filename

# Recursive command warning:
chmod -R 767 /path/to/dir
# Note: -R applies the same mode to files and directories. Use find to treat them separately:
find /path/to/dir -type d -exec chmod 767 {} +

# Verify permissions
stat -c '%a %A %n' filename    # Linux
stat -f '%Lp %Sp %N' filename   # macOS

# Example ls -l output:
-rwxrw-rwx 1 alice staff 1024 Jan 15 10:00 example.txt

umask Relationship

A umask of 010 makes new directories 767. Test umask values with our interactive Umask Calculator.

Advertisement

Frequently Asked Questions

What does chmod 767 mean?

chmod 767 gives the owner read/write/execute, the group read/write, and everyone else read/write/execute. In octal notation, the owner receives 7 (read/write/execute), the group receives 6 (read/write), and others receive 7 (read/write/execute).

Is chmod 767 safe?

chmod 767 is classified as Critical Risk. Anyone on the system can modify or replace this file.

What is chmod 767 in symbolic notation?

In symbolic notation, chmod 767 is represented as rwxrw-rwx. You can apply this permission using the equivalent symbolic command "chmod u=rwx,g=rw,o=rwx filename".

Related Permissions

Change one bit:

← chmod 766 chmod 770 →

Related Guides

Advertisement