chmod 730 Permission Explained

Octal

730

Symbolic

rwx-wx---

Binary

111 011 000

Risk Level

Moderate

Summary: chmod 730 gives the owner read/write/execute, the group write/execute, and everyone else no access.

Class	Read (4)	Write (2)	Execute (1)	Octal
Owner (u)				7
Group (g)				3
Others (o)				0

setuid (4) setgid (2) sticky bit (1)

Octal

Symbolic

Target File / Path

-R Recursive -v Verbose

730

rwx-wx---

Owner: read/write/execute · Group: write/execute · Others: no access

chmod 730 filename

Moderate Every member of the group can modify this file.

View the full chmod 730 guide →

chmod 730 Breakdown

Class	Digit	Symbolic	On a file	On a directory
Owner (u)	`7`	`rwx`	Full access	Full access: list, enter, create, delete
Group (g)	`3`	`-wx`	Write and execute	Can enter and create/delete files, but not list
Others (o)	`0`	`---`	No access	Cannot list, enter, or modify

Is chmod 730 Safe?

Moderate

Every member of the group can modify this file.

Common Use Cases

730 is uncommon in standard Linux setups. The closest widely used permission is chmod 770.

chmod 730 Command Examples

# Apply using octal mode
chmod 730 filename

# Apply using equivalent symbolic mode
chmod u=rwx,g=wx,o= filename

# Recursive command warning:
chmod -R 730 /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 730 {} +

# Verify permissions
stat -c '%a %A %n' filename    # Linux
stat -f '%Lp %Sp %N' filename   # macOS

# Example ls -l output:
-rwx-wx--- 1 alice staff 1024 Jan 15 10:00 example.txt

umask Relationship

A umask of 047 makes new directories 730. Test umask values with our interactive Umask Calculator.

Frequently Asked Questions

What does chmod 730 mean?

chmod 730 gives the owner read/write/execute, the group write/execute, and everyone else no access. In octal notation, the owner receives 7 (read/write/execute), the group receives 3 (write/execute), and others receive 0 (no access).

Is chmod 730 safe?

chmod 730 is classified as Moderate. Every member of the group can modify this file.

What is chmod 730 in symbolic notation?

In symbolic notation, chmod 730 is represented as rwx-wx---. You can apply this permission using the equivalent symbolic command "chmod u=rwx,g=wx,o= filename".