Convert TEXT MARKDOWN to 4 (Man Page)

A TEXT file extension, associated with Markdown Documentation, which simplifies writing and formatting text for web and technical documentation. Markdown, created by John Gruber in 2004, facilitates easy-to-read, plain-text documents that can be converted to HTML. It's essential for developers and writers to create structured documents quickly and efficiently, enhancing productivity and readability without complex code.

The 4 file extension refers to Unix Section 4 Manual Pages, which document special files and device drivers. These files, such as "mouse.4", describe how devices interact with the Unix operating system and are accessed using the "man" utility. Historically, these manual pages have been a fundamental part of Unix documentation, helping users understand and manage system devices.