Commandline 101: cat, Not Just for Purring

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its an oldie but a goodie

David Murch's picture

cat is so versatile I use it many times a day. You can even do things like this =)

> cat /dev/urandom > /dev/audio

Been done.

Amcguinn's picture

For a more in-depth look, get the O'Reilly book "Mastering Cat", by Schlomi Fish. (I can't post a link through the filter, but Google it

Don't forget notation

Anonymous's picture

Don't forget notation like:
$ cat > file << EOF
> Line 1
> Line 2
> EOF
$ cat file
Line 1
Line 2

That will cause cat to exit when the line 'EOF' is entered