centos查看安装了哪些软件的方法

[root@localhost /]# rpm -qa|less

linux-firmware-20180911-69.git85c5d90.el7.noarch

kbd-legacy-1.15.5-15.el7.noarch

kbd-1.15.5-15.el7.x86_64

bash-4.2.46-31.el7.x86_64

NetworkManager-tui-1.12.0-6.el7.x86_64

nss-softokn-freebl-3.36.0-5.el7_5.x86_64

grub2-2.02-0.76.el7.centos.x86_64

glibc-2.17-260.el7.x86_64

authconfig-6.2.8-30.el7.x86_64

libstdc++-4.8.5-36.el7.x86_64

irqbalance-1.0.7-11.el7.x86_64

popt-1.13-16.el7.x86_64

biosdevname-0.7.3-1.el7.x86_64

libattr-2.4.46-13.el7.x86_64

iprutils-2.4.16.1-1.el7.x86_64

libselinux-2.5-14.1.el7.x86_64

sudo-1.8.23-3.el7.x86_64

keyutils-libs-1.5.8-3.el7.x86_64

libsysfs-2.1.0-16.el7.x86_64