This article describes How to Show/Get/Find out Octal File Permissions on Linux/Unix Stat Command Line

Just like Windows, iOS, and Mac OS, Linux is an operating system. In fact, one of the most popular platforms on the planet, Android, is powered by the Linux operating system. An operating system is software that manages all of the hardware resources associated with your desktop or laptop. To put it simply, the operating system manages the communication between your software and your hardware. Without the operating system (OS), the software wouldn?t function.

Linux is the best-known and most-used open source operating system. As an operating system, Linux is software that sits underneath all of the other software on a computer, receiving requests from those programs and relaying these requests to the computer’s hardware.

For the purposes of this page, we use the term “Linux” to refer to the Linux kernel, but also the set of programs, tools, and services that are typically bundled together with the Linux kernel to provide all of the necessary components of a fully functional operating system. Some people, particularly members of the Free Software Foundation, refer to this collection as GNU/Linux, because many of the tools included are GNU components. However, not all Linux installations use GNU components as a part of their operating system. Android, for example, uses a Linux kernel but relies very little on GNU tools.

Every version of the Linux operating system manages hardware resources, launches and handles applications, and provides some form of user interface. The enormous development community and wide range of distributions means that a Linux version is available for almost any task, and Linux has penetrated many areas of computing.

We can use the stat command to view or get octal file permissions for given filename. By default the ls command will not display the permissions on a file in octal form. The permission in octal form is useful for many commands such as chmod command and other sysadmin tasks.

To get file or file system status try the stat command. However, the syntax for stat is different on GNU/Linux and BSD/macOS.

The Linux stat command is a tool that can be used for displaying detailed information relating to a file or file system on a Linux system.

On Unix-like operating systems, the stat command displays the detailed status of a particular file or a file system.

Now you can find some examples in this video.

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