chmod 763 Permission Explained
Summary: chmod 763 gives the owner read/write/execute, the group read/write, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 7 | |||
| Group (g) | 6 | |||
| Others (o) | 3 |
chmod 763 filename
chmod 763 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) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 763 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
763 is uncommon in standard Linux setups. The closest widely used permission is chmod 777.
chmod 763 Command Examples
# Apply using octal mode
chmod 763 filename
# Apply using equivalent symbolic mode
chmod u=rwx,g=rw,o=wx filename
# Recursive command warning:
chmod -R 763 /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 763 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-rwxrw--wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 014 makes new directories 763. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 763 mean?
chmod 763 gives the owner read/write/execute, the group read/write, and everyone else write/execute. In octal notation, the owner receives 7 (read/write/execute), the group receives 6 (read/write), and others receive 3 (write/execute).
Is chmod 763 safe?
chmod 763 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 763 in symbolic notation?
In symbolic notation, chmod 763 is represented as rwxrw--wx. You can apply this permission using the equivalent symbolic command "chmod u=rwx,g=rw,o=wx filename".
Related Permissions
Change one bit: