Explain what the command does and why. What is a more conventional way of expressing this command?
Create a file named answer and give the following command:
$ > answers.0102 < answer cat
Reading the command line from left to right, it instructs the shell to redirect
standard output to answers.0102, redirect standard input to come from
answer, and execute the cat utility. More conventionally, the same command
is expressed as
$ cat answer > answers.0102
or simply
$ cp answer answers.0102
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