yum install net-tools wget vim telnet-server.x86_64 telnet.x86_64 unzip zip gcc-c++ lrzsz  bash-completion lsof

yum install

yum -y install wget

yum install -y vim

yum install -y telnet-server.x86_64
yum install

yum install -y unzip zip

yum -y install

yum -y install

rz+文件名(上传)
sz+文件名(下载)

yum install

yum install lsof