I have experience with both Linux and Mac OS. For Linux, I've worked with various distributions like Ubuntu, Fedora, and Kali. I find Linux to be quite flexible, but it does require a good understanding of command-line operations for troubleshooting and installations. For instance, I once had to resolve a printer installation issue on a Linux system, which involved installing the necessary drivers and configuring them through the terminal. As for Mac OS, while it's more user-friendly, troubleshooting can sometimes be tricky due to its unique system architecture. I recall assisting a client with a Mac OS issue where the system was not recognizing external devices. I resolved it by resetting the SMC and PRAM, which restored the system's functionality. Overall, both systems have their quirks, but I enjoy the challenge they present.