《aix系统应用基础》练习题7-进程.pptx

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1、答案：答案：D Which of the following can be used to display a listing of all processes currently executing on a machine?A.psB.pshC.ps -fD.ps -ef答案：答案：D Which keystroke sequence can be used to suspend a process in the Korn shell so it may be restarted at a later time?A.ctrl-cB.ctrl-qC.ctrl-xD.ctrl-z答案：答案：A

2、 After a process has been suspended in the Korn Shell,which command will restart the suspended process?A.fg B.resetC.enableD.restore答案：答案：C Which command will stop a background process?A.ps -ef|grep|kill -l B.ctrl-cC.kill -9 D.ps -ef|grep 答案：答案：C What happens to a background process when the user lo

3、gs out?A.all background processes can be left running withoutdoing anything after logging offB.background processes run with a higher priority thanforeground processesC.background processes used with the nohup commandcan be left running after logging offD.background processes used with the nohup command have a higher priority than foreground process答案：答案：D Which command should be used to start a process named“long_proc”in the background if the user logs off before the process completes?A.long_procB.long_proc&C.nohup long_procD.nohup long_proc&