CentOS7 使用yum命令安装gcc/g++, gdb, vim, git, lrzsz

查看所有已经安装的软件包

yum list installed

筛选查看已经安装软件包

yum list installed |grep vim	
yum list installed |grep gcc
yum list installed |grep gdb
yum list installed |grep git
yum list installed |grep lrzsz

查看能安装哪些软件包（可查看到软件包具体名）

yum list |grep vim
yum list |grep gdb
yum list |grep git
yum list |grep lrzsz
yum list |grep gcc

安装命令（yum install 包名，可用具体名安装特定软件包）

yum install vim
yum install gcc
yum install gdb
yum install git
yum install lrzsz