chmod 717 Permission Explained

Notice: This is an unusual permission set: some classes have more access than the class above them. It is rarely correct in practice.
Octal
717
Symbolic
rwx--xrwx
Binary
111 001 111
Risk Level
Critical Risk

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
717
rwx--xrwx
Owner: read/write/execute · Group: execute · Others: read/write/execute
chmod 717 filename
Critical Risk Anyone on the system can modify or replace this file.
View the full chmod 717 guide →
Advertisement

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

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.

Advertisement

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:

← chmod 716 chmod 720 →

Related Guides

Advertisement