Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)

What is the difference between the i and a commands of the vi editor? A. i (interactive) requires the user to explicitly switch between vi modes whereas a (automatic) switches modes automatically. B....

What is the default action of the split command on an input file? A. It will break the file into new files of 1,024 byte pieces each. B. It will break the file into new files of 1,000 line pieces eac...

What is the default nice level when a process is started using the nice command? A. -10 B. 10 C. 20 D. 0

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt? A. file /tmp/myfile.txt B. echo "Hello" >/tmp/myfile.txt C. sed -ie "s/1/2/" /tmp/myfile.txt ...

Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and without any trailin...

小朋友齊打交2(Little Fighter 2，簡稱LF2)是一款經典的2D格鬥遊戲，一台電腦可以同時讓四個玩家遊戲，甚至可以兩台電腦對聯，達成八人同時遊戲。遊戲雖然簡單，只有七個按鍵，但耐玩度十足，講究「技術」與「連技」。由於遊戲本身就是Windows程式，因此在Winodws系統上執行只需要在Windows安裝微軟VC++ 2005的可轉散發套件即可，但若要在Linux作業系統下運行，該怎麼...

What is the output of the following command? echo "Hello World" | tr -d aieou A. Hello World B. eoo C. Hll Wrld D. eoo Hll Wrld

What is the purpose of the Bash built-in export command? A. It allows disks to be mounted remotely. B. It runs a command as a process in a subshell. C. It makes the command history available to subsh...

Which function key is used to start Safe Mode in Windows NT? A. F10 B. F8 C. F6 D. Windows NT does not support Safe Mode