單項(xiàng)選擇題

What command will print a list of usernames （first column） and their corresponding user id （uid， third column） from /etc/passwd？（）

A. cut -d： -f 1，3 /etc/passwd
B. chop -c 1，3 /etc/passwd
C. tac 1-3/etc/passwd
D. fmt -u /etc/passwd

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單項(xiàng)選擇題

In xorg.conf， which section is concerned with fonts？（）

A. the Fonts section
B. the Files section
C. the xfsCodes section
D. the Graphics section
E. the modeline section

單項(xiàng)選擇題

Given the following output： prompt> myapp
[1]+ Stopped myapp prompt>
Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt？（）

A. bg myapp
B. continue myapp
C. exec myapp
D. fg myapp
E. myapp &