a) Separates a shell command from a list of optional arguments for that command.
b) Redirects the output of the command on the left-hand side of the pipe as input to a command specified on the right-hand side of the pipe.
c) Redirects the output of the command on the left-hand side of the pipe as input to a file specified on the right-hand side of the pipe.
d) Instructs the shell to print the output to the screen.

2. You are working in a directory with several .csv files. Rearrange the following commands, flags, and other arguments to find the file with the most lines:

Commands

• head
• sort
• wc
• tail

• (as many as you need)

Flags and arguments

• -2
• -l
• -n
• *.csv
• -1