pwck命令
pwck命令用来验证系统认证文件/etc/passwd和/etc/shadow的内容和格式的完整性。
语法 pwck(选项)(参数)
选项 -q：仅报告错误信息； -s：以用户id排序文件“/etc/passwd”和“/etc/shadow”;-r：只读方式运行指令。
参数 密码文件：指定密码文件的路径； 影子文件：指定影子文件的路径。
实例 pwck /etc/passwd
user ‘lp‘: directory ‘/var/spool/lpd‘ does not exist user‘news‘: directory ‘/var/spool/news‘ does not exist
user ‘uucp‘: directory ‘/var/spool/uucp‘ does not exist
user ‘www-data‘: directory ‘/var/www‘ does not exist
user ‘list‘: directory ‘/var/list‘ does not exist
user ‘irc‘: directory ‘/var/run/ircd‘ does not exist
user ‘gnats‘: directory ‘/var/lib/gnats‘ does not exist
user ‘nobody‘: directory ‘/nonexistent‘ does not exist
user ‘syslog‘: directory ‘/home/syslog‘ does not exist
user ‘couchdb‘: directory ‘/var/lib/couchdb‘ does not exist
user ‘speech-dispatcher‘: directory ‘/var/run/speech-dispatcher‘does not exist
user ‘usbmux‘: directory ‘/home/usbmux‘ does not exist
user ‘haldaemon‘: directory ‘/var/run/hald‘ does not exist
user ‘pulse‘: directory ‘/var/run/pulse‘ does not exist
user ‘saned‘: directory ‘/home/saned‘ does not exist
user ‘hplip‘: directory ‘/var/run/hplip‘ does not exist
pwck：无改变
本文出自 “鹏哥的博客” 博客，谢绝转载！
原文：http://pengge666.blog.51cto.com/11766700/1901320