1) Use the date command to print the Coordinated Universal Time (UTC time zone).

$ man date      # read the man page to figure out how to do it
$ date
$ date -u       # what is the difference?

2) Use the date command to just print the month.

$ date +%B

3) What does the cal command do? Show some different examples.

    # cal displays a calendar
$ cal -1
$ cal -3
$ cal -y

4) What does the seq command do? Show some different examples.

    # seq prints a sequence of numbers
$ seq 1 20
$ seq 1 2 20
$ seq -w 1 2 20

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