单选题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.txtB tr -c ’/n/r’ newlist.txt userlist.txtC tr -d /r¯ userlist.txt newlist.txtD tr /r¯/n¯ userlist.txt newlist.txtE tr -s ®^M’¡®^J’ userlist.txt newlist.tx
单选题
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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