A. yum -l repolist B. yum repolist C. yum list all D. yum install repo
A. yum list all B. yum -y all C. yum install list D. yum list repo
A. 联网多用户模式 B. 单用户模式 C. 联网多用户图形模式 D. 没有联网多用户模式
A. systemctl start httpd B. systemctl status httpd C. systemctl stop httpd D. systemctl restart httpd
A. systemctl smb stop B. systemctl smb status C. systemctl start smb D. systemctl smb start
A. systemctl start smb B. systemctl enable smb C. systemctl status smb D. systemctl stop smb
A. system level B. status level C. init 0 D. runlevel
A. systemctl stop smb B. systemctl smb kill C. systemctl smb stop D. systemctl kill smb
A. systemctl httpd reload B. systemctl reload httpd C. systemctl httpd start D. systemctl start httpd
A. ss -atn B. ss -lav C. ss -ntp D. ss -pkn
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