A Private Virtual Server (VPS) is a method of partitioning a physical server on several servers in such a way that everything works as if it were running on a single machine. Each virtual server is capable of operating under its own operating system and also each server can be restarted independently.
The practice of partitioning a single server to work on multiple servers has already started with mainframes and has resurfaced with the development of virtualization and technologies for other architectures.
While a VPS works with its own copy of the operating system, the clients have access level of root or superuser and therefore, they can install any type of software, which can later be executed under their operating system. Some programs do not run well in virtual environments, including firewalls, anti-virus clients and even other virtual tools; Some VPSs provide strong restrictions, but they are generally lax compared to those that exist on shared storage servers. Because several (virtual) clients can work on a single machine, a VPS usually has certain limitations in terms of processing time, RAM, and disk space.
The VPS hosting, contain the best elements of the hosting services of a shared and dedicated hosting. Like shared hosting, VPS puts its website on a server that also has other sites that run on it, except that there are fewer sites per server. The sites share the cost of running on the server, which translates to a monthly or annual fee that is less than the relatively high price tag of a dedicated hosting.
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As a result of the hybrid nature of the VPS, its cost is not as low as the fees of the shared servers, but it is not nearly as high as the fees of the dedicated hosts. You can pay between $ 20 per month and $ 100 per month, depending on the configuration of the VPS. Shared web hosting, on the other hand, is very cheap; You can set up a store for less than $ 10 per month. The dedicated web hosting will normally cost you $ 100 per month or more.
Most VPS servers only offer servers that run Linux-based operating systems; You will have to dig a little to find Windows-based VPS hosting. This is important to keep in mind if you are planning on running software that requires a Microsoft compatible environment. That said, the Linux-based VPS will save you some money; Linux servers usually cost $ 10 to $ 20 less than Windows servers