Linux - man (Manual, Help, Documentation)

1 - About

To learn more about each command or to read a man page, use the man utility: For example, type


man ls 

at the shell prompt to read the help about the ls command.

See also:

3 - Usage


man [section] command

where:

  • section default to 1

3.1 - Section

The man page have a category.

man(1) means that man is a “general command” but man.conf(5) means that it's a documentation over “file format”

  • 1 - General Commands
  • 2 - System Calls
  • 3 - Subroutines
  • 4 - Special Files
  • 5 - File Formats
  • 6 - Games
  • 7 - Macros and Conventions
  • 8 - Maintenance Commands
  • 9 - Kernel Interface
  • n - New Commands

4 - How to

4.1 - Search all man page


man -k searchTerm

Example: All console documentation


man -k console*

To get a plain text version of a man page, without backspaces and underscores, try


man ls | col -b > ls.txt

5 - Documentation / Reference


Data Science
Data Analysis
Statistics
Data Science
Linear Algebra Mathematics
Trigonometry

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