In this video we will have a basic look on Kali linux just to get you comfortable with using it.
This video is taken from one of my full courses on ethical hacking, check out the following links for more info and to get massive discounts on them:


Learn Ethical Hacking / Penetration Testing From Scratch 
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Learn Website Hacking / Penetration Testing From Scrtach
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Learn Network Hacking / Penetration Testing From Scratch 
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Learn Hacking / Penetration Testing Using Android
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Learn Wi-Fi Password Penetration Testing From Scratch
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ARP Spoofing Attacks - Execution & Detection
https://www.udemy.com/learn-practical-attacks-against-network-clients/?couponCode=YOUTUBE9