linux shell-列出所有在/etc/passwd中的用户

cut.sh

#!/bin/bash

filename=/etc/passwd

for user in $(cut -d: -f1 $filename)
do
  echo $user
done

exit 0

验证：

[root@kibana ~]# sh cut.sh 
root
bin
daemon
adm
lp
sync
shutdown
halt
mail
operator
games
ftp
nobody
systemd-network
dbus
polkitd
colord
libstoragemgmt
rpc
saslauth
abrt
setroubleshoot
rtkit
radvd
chrony
unbound
qemu
tss
usbmuxd
geoclue
gluster
mysql
pulse
gdm
saned
rpcuser
nfsnobody
gnome-initial-setup
sshd
avahi
postfix
ntp
tcpdump
zhangtengjiao
nginx
[root@kibana ~]#