$0

What is $0?

stands for the first argument in Perl, and is the name of the script file.

unlink $0;

this line at the end in a perl script would remove the script file after its been executed.

Open-faced Sandwhich

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I.e

1. I.E is a short version for Internet Explorer. A easy-to-use microsoft tool. It browses the web, with maximum security, and operating too..

Kabooski

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