Because system activity can be revealing, logs here are typically restricted and available to superusers only. 因为可以显示系统活动,所以对日志文件的访问通常会受到限制,只有超级用户才可以访问。
However, the programs found in/ sbin can be executed only by superusers& hence," superuser-bin "or/ sbin. 然而,只有超级用户才能够执行/sbin中的程序,因此这个目录称为“superuser-bin”或者/sbin。
The passwords of the superusers are stored into/ etc/ passwd,/ etc/ shadow and/ tcb/ files/ auth/ u, UNIX will force the users to enter the new passwords at the next time after setting the encrypted password empty. 超级用户的口令存放在etc/passwd、/etc/shadow和/tcb/files/auth/u中,通过设置其EncryptedPassword项为空,则UNIX将迫使用户在下次注册时重新输入口令。