Does WhatsApp still use FreeBSD?
> WhatsApp moved away from FreeBSD to Linux. WhatsApp primarily moved from bare metal hosting running FreeBSD to Facebook’s owned and operating containerized management system which incidentally runs Linux.
WhatsApp is built with which language?
Erlang
WhatsApp is based on Erlang, a programming language designed for scalable systems with real-time high availability requirements. From the beginning of WhatsApp, Erlang seemed like the perfect fit. Erlang is simple but highly functional and supports automatic memory allocation for improved performance.
What is the difference between FreeBSD and Linux kernel?
The operating system is technically the kernel itself. FreeBSD is comparable to Linux, the only difference that the system utilities in Linux are on a separate repository called util-linux, while in FreeBSD their source codes come along with the OS (OS=kernel) code in the main repository.
What do you like most about free FreeBSD?
FreeBSD has a reputation for a more robust network stack. From professional experience at a previous company, we had a proxy server that was falling over from the load. When we threw FreeBSD on it, the server handled the load with ease for well over a year (I moved on – could still be working).
Why is FreeBSD 4 so popular with ISPs?
Around the time of the first dot-com bubble, FreeBSD 4 was extremely popular with ISPs. This may or may not have been related to the addition of kqueue. The Wikipedia page describes the feelings for FreeBSD 4 thusly: “…widely regarded as one of the most stable and high performance operating systems of the whole Unix lineage.”
Is OpenBSD more secure than Linux?
It’s been mentioned that OpenBSD is more secure, with only 2 exploits in its history it’s earned that right. The founder Theo de Raadt believed that security should be a primary focus and that many Linux and other BSD systems were not dedicated to writing good code, and instead focused too much on adding new features just to add them.