Security: Elevated

chmod 455 β€” r--r-xr-x

Owner has (r--), Group has (r-x), and Others have (r-x).

Live Interactive Permission Matrix

Linux chmod Calculator & Generator

Octal Value
455
Symbolic
r--r-xr-x
Quick Presets:
Owner (User)
The file creator
4
Group
Team or service account
5
Public (Others)
All other system users
5
Security Assessment
Status: Elevated
View Full chmod 455 Guide β†’
Target:
chmod 455 deploy.sh
chmod -R 455 /var/www/deploy.sh

Interactive Permission Matrix (rwx)

RoleRead (r - 4)Write (w - 2)Execute (x - 1)Octal Total
Owner (User)4
Group5
Others (Public)5

Copyable chmod 455 Commands

Apply to Single File
chmod 455 target_file
Apply Recursively to Directory
chmod -R 455 /path/to/folder
Only Apply to Directories (find)
find /path/to/folder -type d -exec chmod 455 {} +
Only Apply to Files (find)
find /path/to/folder -type f -exec chmod 455 {} +

Recommended Real-World Use Cases

  • β€’Files requiring owner r-- and group r-x
  • β€’Restricted scripts and utilities
  • β€’Custom deployment configurations

Security Consideration

chmod 455 (r--r-xr-x) configures specific Linux permission bits where the owner receives numeric value 4, the group receives 5, and public users receive 5. Total combined mask is 455.

Frequently Asked Questions

chmod 455 Questions & Answers

Common questions regarding Linux permissions, security risks, and recursive chmod commands.

Owner has (r--), Group has (r-x), and Others have (r-x). In symbolic notation, this is represented as "r--r-xr-x".