The presentation focuses on calculating factorial numbers using the Linux shell. It addresses the problem of entering a factorial number twice and summing both results to display the final sum in reverse order. The output and email contact are included for further inquiries.

1. W E L C O M E T O M Y
P R E S E N T AT I O N

2. Presentation topic: Factorial number in linux shell.
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3. Problems: Enter factorial number two time, sum both factorial number
and show summation result On reverse order in linux shell terminal.
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4. Program:
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5. Output screen:
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6. THANK YOU.