建议自己多用包管理查查看。
另外如果用 mac，可以用 docker 把 linux 的 man page 都 cp 出来
```
guochao@desktop ~ % sudo dnf search man-pages-
上次元数据过期检查：2:00:09 前，执行于 2020 年 01 月 22 日 星期三 08 时 15 分 26 秒。
==================================================================================== Name 匹配：man-pages- ====================================================================================
......
man-pages-zh-CN.noarch : 中文 man pages
......
libguestfs-man-pages-uk.noarch : Ukrainian (uk) man pages for libguestfs
guochao@desktop ~ % docker run -it --rm ubuntu:18.04 bash -c 'apt update; apt search manpages'
Get:1
http://archive.ubuntu.com/ubuntu bionic InRelease [242 kB]
Get:2
http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
......
Get:16
http://archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages [37.4 kB]
Get:17
http://archive.ubuntu.com/ubuntu bionic-backports/main amd64 Packages [2496 B]
Get:18
http://archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages [4241 B]
Fetched 17.5 MB in 7s (2601 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
1 package can be upgraded. Run 'apt list --upgradable' to see it.
Sorting... Done
Full Text Search... Done
.....
manpages-zh/bionic 1.6.3.2-1 all
Chinese manual pages
tclx8.4-doc/bionic 8.4.1-2 all
Extended Tcl (TclX) - manpages
unity-scope-manpages/bionic 3.0+14.04.20140324-0ubuntu3 all
Manual pages scope for Unity
guochao@desktop ~ % docker run -it --rm archlinux/base bash -c 'pacman -Sy; pacman -Ss man-page'
:: Synchronizing package databases...
core 135.1 KiB 1145 KiB/s 00:00 [#####################################################################] 100%
extra 1644.3 KiB 2.79 MiB/s 00:01 [#####################################################################] 100%
community 4.8 MiB 3.90 MiB/s 00:01 [#####################################################################] 100%
core/man-pages 5.04-2
Linux man pages
extra/opengl-man-pages 20190725-1
OpenGL Man Pages - OpenGL 4.x
community/man-pages-cs 0.18.20090209-6
Czech man pages
community/man-pages-de 2.16-1
German Linux man pages
community/man-pages-zh_cn 1.6.3.3-1
Simplified Chinese Linux man pages
community/man-pages-zh_tw 1.6.3.3-1
Traditional Chinese Linux man pages
community/python-argparse-manpage 1.1-3
Automatically build man-pages for your Python project
```