[dmtsai@study bin]$ vim
userid.sh#!/bin/bash
# Program
# Use id, finger command to check system account's information.
# History
# 2015/07/17 VBird first release
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
users=$( cut -d ':' -f1 /etc/passwd ) # 撷取帐号名称
for username in ${users} # 开始循环进行!
do
id ${username}
done
------------------------------------------------------------
执行结果
uid=0(root) gid=0(root) groups=0(root)
uid=0(root) gid=0(root) groups=0(root)
uid=0(root) gid=0(root) groups=0(root)
uid=0(root) gid=0(root) groups=0(root)
------------------------------------------------------------
cut -d ':' -f1 /etc/passwd 执行结果
root
bin
daemon
adm
lp
sync
shutdown
halt
mail
operator
games
ftp
nobody
systemd-network
dbus
polkitd
libstoragemgmt
rpc
ntp
abrt
sshd
postfix
chrony
tcpdump
syslog
lighthouse
怎么改成展开正确