chmod 727 Permission Explained
Summary: chmod 727 gives the owner read/write/execute, the group write, and everyone else read/write/execute.
| Class | Read (4) | Write (2) | Execute (1) | Octal |
|---|---|---|---|---|
| Owner (u) | 7 | |||
| Group (g) | 2 | |||
| Others (o) | 7 |
chmod 727 filename
chmod 727 Breakdown
| Class | Digit | Symbolic | On a file | On a directory |
|---|---|---|---|---|
| Owner (u) | 7 |
rwx |
Full access | Full access: list, enter, create, delete |
| Group (g) | 2 |
-w- |
Write only (rarely useful) | No practical effect without x |
| Others (o) | 7 |
rwx |
Full access | Full access: list, enter, create, delete |
Is chmod 727 Safe?
Critical Risk
- Anyone on the system can modify or replace this file.
- Every member of the group can modify 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
727 is uncommon in standard Linux setups. The closest widely used permission is chmod 777.
chmod 727 Command Examples
# Apply using octal mode
chmod 727 filename
# Apply using equivalent symbolic mode
chmod u=rwx,g=w,o=rwx filename
# Recursive command warning:
chmod -R 727 /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 727 {} +
# Verify permissions
stat -c '%a %A %n' filename # Linux
stat -f '%Lp %Sp %N' filename # macOS
# Example ls -l output:
-rwx-w-rwx 1 alice staff 1024 Jan 15 10:00 example.txtumask Relationship
A umask of 050 makes new directories 727. Test umask values with our interactive Umask Calculator.
Frequently Asked Questions
What does chmod 727 mean?
chmod 727 gives the owner read/write/execute, the group write, and everyone else read/write/execute. In octal notation, the owner receives 7 (read/write/execute), the group receives 2 (write), and others receive 7 (read/write/execute).
Is chmod 727 safe?
chmod 727 is classified as Critical Risk. Anyone on the system can modify or replace this file.
What is chmod 727 in symbolic notation?
In symbolic notation, chmod 727 is represented as rwx-w-rwx. You can apply this permission using the equivalent symbolic command "chmod u=rwx,g=w,o=rwx filename".
Related Permissions
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