讓/etc/passwd更利於閱讀
#!/bin/bash IFS=: echo "System User list:" echo "-------------------------------------" while read username shapass uid gid comm home shell do echo "UserName:$username" echo " 1.password:$shapass" echo " 2.uid:$uid" echo " 3.gid:$gid" echo " 4.comment:$comm" echo " 5.home:$home" echo " 6.default shell:$shell" echo "------------------------------------" done < /etc/passwd