chmod 717 Permission Explained
Summary: chmod 717 gives the owner read/write/execute, the group execute, and everyone else read/write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 7 | |||
| Group (g) | 1 | |||
| Others (o) | 7 |
chmod 717 filename
chmod 717 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 7 |
rwx |
Full access | Full access: list, enter, create, delete |
| Group (g) | 1 |
--x |
Execute only | Can enter (cd) but not list contents |
| Others (o) | 7 |
rwx |
Full access | Full access: list, enter, create, delete |
Is chmod 717 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Any user can read this file — never use it for secrets such as keys or .env files.
- Unusual: a lower class has permissions the class above it lacks.
Common Use Cases
717 is uncommon in standard Linux setups. The closest widely used permission is chmod 755.
chmod 717 Command Examples
# Apply using octal mode
chmod 717 filename
# Apply using equivalent symbolic mode
chmod u=rwx,g=x,o=rwx filename
# Recursive command warning:
chmod -R 717 /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 717 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-rwx--xrwx 1 alice staff 1024 Jan 15 10:00 example.txt
umask Relationship
A umask of 060 makes new directories 717. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 717 mean?
chmod 717 gives the owner read/write/execute, the group execute, and everyone else read/write/execute. In octal notation, the owner receives 7 (read/write/execute), the group receives 1 (execute), and others receive 7 (read/write/execute).
Is chmod 717 safe?
chmod 717 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 717 in symbolic notation?
In symbolic notation, chmod 717 is represented as rwx--xrwx. You can apply this permission using the equivalent symbolic command "chmod u=rwx,g=x,o=rwx filename".
Related Permissions
Change one bit: