Each OS has its own characteristics. What you choose will depend, among other things, on the features needed to complete your project. There are as many use cases as there are operating systems and distributions for your dedicated server. Linux and its many distributions cover a lot of needs, with a lot of freedom to manage your environment. Windows offers a familiar environment and many services. Here is a list of the most popular operating systems: AlmaLinux CentOS Debian Fedora Rocky Linux Ubuntu Windows Server Microsoft SQL Server Proxmox VMware ESXi