There are different OS for Hacking and Penetration Testing with Linux distro is dedicatedly developed for Security Researchers or Ethical Hackers to perform various operations in security industries with a variety of hacking tools that prebuilt with OS.

Linux is an open source it gives you the freedom to choose your own operating system.

1- Kali Linux
Kali Linux is a #1 Best OS for Hacking and Penetration Testing Distribution based on Debian. Developed by Offensive Security.

The first release was on February 5, 2006, it’s a completion of the BackTrack Linux Project.

There are 100’s of hacking tools are pre-installed with Kali Linux for various operation such as pen testing, malware analysis, forensic analysis, information gathering, networking scanning, exploitation, etc.

https://mytechmata.xyz/top-10-best-linux-distro-os-for-ethical-hacking-penetration-testing/