Talk:Packing

explanation of the script:

b=./B reference a file, "B" in current dir "./"

tail throw the end of a file to the screen -n specify the number of lines +3 from 3rd line to end

$0 specify the file, $0 = this one, the bash script.

| redirect output as input to the next command

zcat decompress data, no param= from stdin to stdout

>$b take stdout and redirect it to the file b (./B)

$b execute that file as a command/program

rm $b remove that file

exit quit that script (so it doesn't try to exec something like ?gz%?#45afg45[...]