Which of the following commands will output all of the lines with the name Fred in upper or lower case but not the word red from the file data_file? (Choose two)

Which of the following commands will output all of the lines with the name Fred in upper or lower case but not the word red from the file data_file? (Choose two)
A . grep -v fred data_file
B . grep ‘[f]red’ data_file
C . egrep fred data_file
D . grep ‘[Ff]red’ data_file
E . grep -i fred data_file

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Answer: DE