man文档完整版安装
1 sudo apt-get install manpages 2 sudo apt-get install manpages-dev 3 sudo apt-get install manpages-posix 4 sudo apt-get install manpages-posix-dev
1 sudo apt-get install manpages 2 sudo apt-get install manpages-dev 3 sudo apt-get install manpages-posix 4 sudo apt-get install manpages-posix-dev