单项选择题

You wish to kill a process with a PID of 123. Select the command which exiting.（）

A. kill-1 123
B. kill-9 123
C. kill-15 123
D. kill-17 123

点击查看答案

上一题目录下一题

相关考题

单项选择题

Which of the following commands will change all CR-LF pairs in an imported text file， userlist.txt， to Linux standard LF characters and store it as newlist.txt？（）

A. tr ’\r\n’ " < userlist.txt > newlist.txt
B. tr -c ’\n\r’ " < newlist.txt > userlist.txt
C. tr -d \r¯ < userlist.txt > newlist.txt
D. tr \r¯\n¯ userlist.txt newlist.txt
E. tr -s ®^M’¡®^J’ userlist.txt newlist.tx

单项选择题

You have read/write permission on an ordinary file foo. You have just run In foo bar. What would happen if you ran rm foo？（）

A. foo and bar would both be removed.
B. foo would be removed while bar would remain accessible.
C. foo would be removed， bar would still exist but would be unusable.
D. Both foo and bar would remain accessible.
E. You would be asked whether bar should be removed.

填空题

What application can be used in place of xhost？ Please enter only the name without path. Answer：（）