chmod 533 Permission Explained
Summary: chmod 533 gives the owner read/execute, the group write/execute, and everyone else write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 5 | |||
| Group (g) | 3 | |||
| Others (o) | 3 |
chmod 533 filename
chmod 533 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 5 |
r-x |
Read and execute | Can list and enter |
| Group (g) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
| Others (o) | 3 |
-wx |
Write and execute | Can enter and create/delete files, but not list |
Is chmod 533 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
533 is uncommon in standard Linux setups. The closest widely used permission is chmod 777.
chmod 533 Command Examples
# Apply using octal mode
chmod 533 filename
# Apply using equivalent symbolic mode
chmod u=rx,g=wx,o=wx filename
# Recursive command warning:
chmod -R 533 /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 533 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-r-x-wx-wx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 244 makes new directories 533. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 533 mean?
chmod 533 gives the owner read/execute, the group write/execute, and everyone else write/execute. In octal notation, the owner receives 5 (read/execute), the group receives 3 (write/execute), and others receive 3 (write/execute).
Is chmod 533 safe?
chmod 533 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 533 in symbolic notation?
In symbolic notation, chmod 533 is represented as r-x-wx-wx. You can apply this permission using the equivalent symbolic command "chmod u=rx,g=wx,o=wx filename".
Related Permissions
Change one bit: