Convert DOC (Word) to 9 (Man Page)

The DOC file extension, standing for "Microsoft Word Document", is a legacy format used by Microsoft Word. Introduced in the early 1980s with Microsoft Word for MS-DOS, it became the standard format for saving documents until the adoption of the DOCX format with Microsoft Word 2007. DOC files encapsulate text, formatting, images, and other document elements, and were pivotal in advancing word processing capabilities, offering extensive features for creating professional and complex documents in both personal and professional contexts. Despite the shift to DOCX, DOC files remain significant for their compatibility with older software versions and extensive archival of legacy documents.

The 9 file extension refers to Section 9 of the Unix manual pages, specifically covering Kernel Routines. These manual pages provide detailed information on kernel APIs, internal structures, and other essential aspects of kernel development. Developed by Dennis Ritchie and Ken Thompson at AT&T Bell Laboratories in 1971, Section 9 is crucial for kernel developers but is not universally available due to its specialized nature.