You want to verify which lines in the file kickoff contain ‘bob’. Which of the following commands will accomplish this?
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You attempt to delete a file called sales.mem using the rm command but the command fails. What could be the problem?
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ls -l ls -t ls -r ls -a ls -ltr ls -u grep error file.txt grep -v error file.txt perl prg.pl | ./file.txt tee chmod +x chmod -x chmod =x ps bg date +%y%m%d ?
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