單項(xiàng)選擇題

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

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單項(xiàng)選擇題

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.

填空題

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

答案： XAUTH

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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？（）

你可能感興趣的試題

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？（）

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

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

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？（）

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？（）