假设要求密码每60天要更换,以下哪条命令可以用户并未真正修改密码的情况下更改用户最近修改密码的时间?
A. chage -f
B. chage -W
C. chage -l
D. chage -d
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以下哪条命令可以把组DomainAdmins改名为DomainUsers?
A. groupmod -n DomainAdmins DomainUsers
B. groupchg DomainAdmins DomainUsers
C. chgroup DomainAdmins DomainUsers
D. group -N DomainAdmins DomainUsers
以下哪条命令可以从Linux中删除一个组?
A. groupdm
B. grouprm
C. groupdel
D. delgroup
哪个文件保存了组账户的加密密码?
A. /etc/group
B. /etc/gshadow
C. /etc/gsecure
D. /etc/group.conf
文件/etc/shadow中一行内容如下,数字15853的含义是?il:*:15853:0:99999:7:::
A. The UID of the mail user
B. The number of files owned by mail
C. The date of the last password change (since 1/1/1970)
D. The number of days until the account expires