MAN vs TXT
A detailed comparison of Unix Man Page and Plain Text — file size, quality, compatibility, and which format to choose for your workflow.
Unix Man Page
Documents & TextMan (manual) pages are the standard documentation format for Unix and Linux command-line tools, written in troff/groff markup. They follow a structured layout with NAME, SYNOPSIS, DESCRIPTION, and OPTIONS sections for consistent reference.
About MAN filesPlain Text
Documents & TextTXT files contain unformatted plain text with no styling, images, or layout information. They are universally readable by any device and operating system, making them the simplest document format.
About TXT filesStrengths Comparison
MAN Strengths
- Universal Unix-like OS documentation since 1971.
- Plain text with simple troff markup — tiny files.
- Section system cleanly separates commands from APIs from config files.
- Renders to terminal, PostScript, HTML, or PDF.
- Every Unix programmer knows the format.
TXT Strengths
- Universally readable — every operating system, every editor, every programming language.
- Zero metadata overhead: the file size equals the character count (for ASCII).
- Safe to diff, grep, version-control, and pipe through command-line tools.
- Immune to format obsolescence: a text file from 1970 still opens today.
- Tiny footprint for structured data like logs or configuration.
Limitations
MAN Limitations
- Terse by design — bad for tutorials or beginner-friendly intros.
- Troff syntax is arcane and difficult for modern authors.
- No interactive examples or live-editable snippets.
- Mostly replaced by web docs, cheat sheets, and --help output for modern tools.
TXT Limitations
- No styling, images, or embedded structure — just characters.
- Character encoding ambiguity (ISO-8859-1 vs UTF-8 vs Windows-1252) causes "mojibake".
- Line-ending differences between OSes still cause subtle bugs today.
- No way to carry hyperlinks, tables, or formatting without a convention on top (like Markdown).
Technical Specifications
| Specification | MAN | TXT |
|---|---|---|
| MIME type | text/troff | text/plain |
| Extensions | .man, .1, .2, .3, .4, .5, .6, .7, .8 | — |
| Markup | troff / groff with mdoc or man macro package | — |
| Renderer | groff + less (terminal), groff → PostScript/PDF/HTML | — |
| First shipped | Unix First Edition (1971) | — |
| Common encodings | — | UTF-8, UTF-16, ASCII, ISO-8859-1, Windows-1252 |
| Line endings | — | LF (Unix), CRLF (Windows), CR (classic Mac) |
| Max file size | — | Limited only by filesystem (no format-level limit) |
| Structure | — | None — flat sequence of characters |
Typical File Sizes
MAN
- Single command man page 2-15 KB
- Complex tool (e.g., bash man) 80-200 KB
TXT
- Short note < 1 KB
- README file 2–20 KB
- Full novel (~90,000 words) 500 KB – 1 MB
- Server log file (daily) 10 MB – 1 GB
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Frequently Asked Questions
MAN (Unix Man Page) is a document format used to store paginated text, with optional formatting, tables, images, hyperlinks, headers and footers. It sits in the documents & text family and is typically associated with a specific office suite or publishing pipeline that defined the format and ships the canonical reader.
TXT (Plain Text) is a document format used to store paginated text, with optional formatting, tables, images, hyperlinks, headers and footers. It sits in the documents & text family and is typically associated with a specific office suite or publishing pipeline that defined the format and ships the canonical reader.
Modern office suites — Microsoft Word, Google Docs, LibreOffice Writer, Apple Pages — open most MAN files with reasonable fidelity. If your installed software does not support MAN, convert to DOCX or PDF first using KaijuConverter; both open in virtually every reader, including free online viewers.
Modern office suites — Microsoft Word, Google Docs, LibreOffice Writer, Apple Pages — open most TXT files with reasonable fidelity. If your installed software does not support TXT, convert to DOCX or PDF first using KaijuConverter; both open in virtually every reader, including free online viewers.
Upload the MAN to KaijuConverter and pick DOCX, PDF, ODT, RTF, HTML, Markdown, or plain text. Our pipeline runs LibreOffice headlessly plus pandoc for text formats — the same engines behind professional document pipelines. Styles, tables, images, and hyperlinks survive the conversion intact.
Yes, to a high degree. Standard fonts, headings, lists, tables, images, hyperlinks and page structure transfer cleanly. Custom fonts substitute to the closest match if not embedded; obscure layout features unique to MAN (frames, legacy macros) may flatten to static content in the target format.