chmod util
chmod permissions utility
Free
chmod util helps you understand and build Unix file permissions. Tap r, w, and x for the owner, group, and everyone else, and see the corresponding chmod number instantly.
Choose common modes such as 644, 755, and 600, each with a clear explanation of who gets access.
A built-in, manual explains the essentials:
- What read, write, and execute mean.
- How permissions differ for files and directories.
- How to remember the 4–2–1 rule.
- All eight permission patterns in a handy cheat sheet.
- Practical examples of chmod commands.
A small, focused companion for developers, students, and anyone learning Unix permissions.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
A fresh look for chmod util, with a cleaner interface and a new rwx icon.
- Clear explanations for owner, group, and others.
- Common permission modes with helpful descriptions.
- A terminal-inspired guide covering permissions, the 4–2–1 memory aid, and practical chmod examples.
- An eight-pattern permission cheat sheet.
- Updated support for modern iOS and macOS versions
The developer, Mattia Righetti, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Mattia Righetti
- Size
- 2.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 11.0 or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Mattia Righetti