在Linux系统中，下列在字符界面下关机（关闭电源）操作的命令是（）。
A: systemctl poweroff
B: systemctl halt
C: systemctl reboot
D: systemctl suspend
A: systemctl poweroff
B: systemctl halt
C: systemctl reboot
D: systemctl suspend
举一反三
- 在Linux桌面环境中,若要切换进入字符界面,以下命令中,可实现的是()。 A: systemCtl isolAte grAphiCAl.tArget B: systemCtl reBoot C: stArtx D: systemCtl isolAte multi-user.tArget
- 3、RHEL7系统中重启系统的命令是（ ） A: shutdown B: systemctl halt C: systemctl reboot D: init 0
- 在Linux系统中启动服务的命令是()。 A: systemctl start NAMservice B: systemctl stop NAMservice C: systemctl restart NAMservice D: systemctl enable NAMservice
- 在Linux系统中，启动DNS服务的命令是： A: systemctl restart named B: systemctl restart network C: systemctl restart dhcpd D: systemctl restart vsftpd
- 在Ubuntu Linux中,查看apache2服务器的状态的命令是( )。 A: systemctl status <br/>apache B: systemctl status <br/>apache2 C: systemctl apache <br/>status D: systemctl apache2<br/>status