chmod 463 Permission Explained
Summary: chmod 463 gives the owner read, the group read/write, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 4 | |||
| Group (g) | 6 | |||
| Others (o) | 3 |
chmod 463 filename
chmod 463 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 4 |
r-- |
Read only | Can list names, but not enter |
| 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 463 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
463 is uncommon in standard Linux setups. The closest widely used permission is chmod 666.
chmod 463 Command Examples
# Apply using octal mode
chmod 463 filename
# Apply using equivalent symbolic mode
chmod u=r,g=rw,o=wx filename
# Recursive command warning:
chmod -R 463 /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 463 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-r--rw--wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 314 makes new directories 463. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 463 mean?
chmod 463 gives the owner read, the group read/write, and everyone else write/execute. In octal notation, the owner receives 4 (read), the group receives 6 (read/write), and others receive 3 (write/execute).
Is chmod 463 safe?
chmod 463 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 463 in symbolic notation?
In symbolic notation, chmod 463 is represented as r--rw--wx. You can apply this permission using the equivalent symbolic command "chmod u=r,g=rw,o=wx filename".
Related Permissions
Change one bit: