chmod 263 Permission Explained
Summary: chmod 263 gives the owner write, the group read/write, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 2 | |||
| Group (g) | 6 | |||
| Others (o) | 3 |
chmod 263 filename
chmod 263 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 2 |
-w- |
Write only (rarely useful) | No practical effect without x |
| 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 263 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
263 is uncommon in standard Linux setups. The closest widely used permission is chmod 666.
chmod 263 Command Examples
# Apply using octal mode
chmod 263 filename
# Apply using equivalent symbolic mode
chmod u=w,g=rw,o=wx filename
# Recursive command warning:
chmod -R 263 /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 263 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
--w-rw--wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 514 makes new directories 263. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 263 mean?
chmod 263 gives the owner write, the group read/write, and everyone else write/execute. In octal notation, the owner receives 2 (write), the group receives 6 (read/write), and others receive 3 (write/execute).
Is chmod 263 safe?
chmod 263 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 263 in symbolic notation?
In symbolic notation, chmod 263 is represented as -w-rw--wx. You can apply this permission using the equivalent symbolic command "chmod u=w,g=rw,o=wx filename".
Related Permissions
Change one bit: