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What does the below command do? Is -1|head -n 5 Display the last 5 lines of the output from Is - | Displays the last 5 characters of the output from Is - | Display the first 5 lines of the output from Is - | Displays the first 5 characters of the output from Is - | Which command will print the contents of all files in the current directory whose names start with the character m and end with a period (.) followed by any one character followed by a two digit number? cat m?.*## Is m*.?[0-9]*2 Is m*.#?? cat m*.?[0-9][0-9] Which of these commands using octal notation will set the permissions on file1 to u=rx,g=x,o=x? chmod 511 file1 chmod 611 file1 chmod 544 file1 chmod 644 file1 Redirection is used to pipe data from one command to another True False Redirection changes the source and destination of standard input and output O True False