man section

Man pages are grouped into sections. To see the full list of Linux man pages for a section, pick one of:

Section 1

user commands (introduction)

Section 2

system calls (introduction)

Section 3

library functions (introduction)

Section 4

special files (introduction)

Section 5

file formats (introduction)

Section 6

games (introduction)

Section 7

conventions and miscellany (introduction)

Section 8

administration and privileged commands (introduction)

Section L

math library functions

Section N

tcl functions