I. Introduction A process is a running activity of a program with independent functions on a certain set of data. In other words, when the system schedules multiple CPUs, the basic unit of a program. Process is not an unfamiliar concept to most languages, as the world’s best language PHP" is certainly an exception. 2. Environment The… Read More »
In virtual paging storage, the virtual storage space and physical main storage space are divided into pages of fixed size, and the memory allocation for threads is also in units of pages. For example, if the page size is 4K, 4GB/4KB=1M records are needed for 4GB storage space, that is, there are more than 1 million 4KB pages.… Read More »
Have you ever been in a situation like this? Use the SSH command to enter the server, use the CD command to enter the corresponding directory, and continue your work. This is especially common for novices. In this article, the veteran driver will take you to a more efficient operation, just one step to achieve the desired results.… Read More »
When configuring the server, it is often necessary to check whether the server port is open. If there are only one or two servers, this is easy to do, use the nc command to view them one by one. However, if your server is in a cluster, then there are many ports to be checked? If you still… Read More »