單項選擇題

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

你可能感興趣的試題

單項選擇題

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

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：（）

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？（）

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