Can you describe me what is Linux and Kali Linux

Question

And also give give me address of any app where I could learn it

Answer 1

//Linux is open-source software operating systems built around the Linux kernel. Typically, Linux is packaged in a form known as a Linux distribution (or distro for short) for both desktop and server use.

//Kali Linux is an open source project that is maintained and funded by Offensive Security, a provider of world-class information security training and penetration testing services. In addition to Kali Linux, Offensive Security also maintains the Exploit Database

//www.google.com
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https://www.sololearn.com/discuss/1316935/?ref=app

Answer 2

*Kali Linux is also a majorly overrated Software Distribution, and isn't as capable as other OS' pertaining to Penetration Testing. Other OS', specifically Parrot Security OS, are more maintained and contain more tools; it is also a multi-environment Operating System.