# g开头t结尾,中间是任意字符出现任意次 [root@hadoop100 ~]# cat /etc/passwd | grep g.*t systemd-network:x:192:192:systemd Network Management:/:/sbin/nologin libstoragemgmt:x:998:995:daemon account for libstoragemgmt:/var/run/lsm:/sbin/nologin gluster:x:995:992:GlusterFS daemons:/run/gluster:/sbin/nologin tss:x:59:59:Account used by the trousers package to sandbox the tcsd daemon:/dev/null:/sbin/nologin gnome-initial-setup:x:988:982::/run/gnome-initial-setup/:/sbin/nologin sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin ghost:x:1000:1000:ghost:/home/ghost:/bin/bash
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