pwck命令用來(lái)驗(yàn)證系統(tǒng)認(rèn)證文件/etc/passwd和/etc/shadow的內(nèi)容和格式的完整性。

語(yǔ)法

pwck(選項(xiàng))(參數(shù))

選項(xiàng)

-q：僅報(bào)告錯(cuò)誤信息；
-s：以用戶(hù)id排序文件“/etc/passwd”和“/etc/shadow”;
-r：只讀方式運(yùn)行指令。

參數(shù)

• 密碼文件：指定密碼文件的路徑；
• 影子文件：指定影子文件的路徑。

實(shí)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：無(wú)改變

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