.7 File Extension

Unix Section 7 Manual Page

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Category System Files
Format Text

What is a 7 file?

A 7 file is a Unix manual page (man page) that can be accessed using the man utility. It describes a miscellaneous piece of system information. For example, the file boot.7 describes the system boot process.

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Screenshot of a .7 file in Microsoft Visual Studio Code
7 file open in Microsoft Visual Studio Code

Man pages are system-level documentation that describes the inner workings of a Unix-like operating system. These pages are typically grouped into sections that contain a related set of documentation.

The seventh section of most Unix manuals, however, contains miscellaneous important pieces of information that do not fit neatly into the manual's other seven categories. Each page of that section is saved as a 7 file.

NOTE: Other sections' Unix man pages use the .1, .2, .3, .4, .5, .6, and .8 extensions. Man pages are also commonly compressed into .GZ files (which may use the .gz.# extension).

How to open a 7 file

In Unix-like OSes, you can open a 7 file by calling the man utility using the name of the file. For example, to open boot.7, enter man boot(7).

Since 7 files are plain text files, you can also open them in any text editor, such as Vim (Linux, Mac), Microsoft Notepad (Windows), and Apple TextEdit (Mac).

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Programs that open 7 files

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Updated February 24, 2022

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