与cd命令一样,用于目录之间的切换
示例:
[root@dmaster system]# pwd
/usr/lib/systemd/system
[ root @ dmaster system ] # pushd/etc/kubernetes
/etc/kubernetes/usr/lib/systemd/system
[root@dmaster kubernetes]# pushd
/usr/lib/systemd/system/etc/kubernetes
[ root @ dmaster system ] # popd/etc/kubernetes
/usr/lib/systemd/system
[root@dmaster kubernetes]#
观察一下,您会发现目录的快速切换pushd是目录的快速切换popd是用于减少快速切换的目录