![]() ![]() This tutorial will focus on ways to view the files open and which process or user is responsible. As a Linux power user, seeing the open files and the process and users using them is incredibly useful. That means that Unix and Unix-like systems such as Linux use such files heavily. Unfortunately, the concept of file descriptors is beyond the scope of this tutorial consider the link provided below to get started on learning more: Think of it as a gateway to the Kernel abstraction hardware resources. It describes resources and how the kernel accesses them. That means the resources in the Unix system get assigned a file descriptor, including storage devices, network sockets, processes, etc.Ī file descriptor is a unique number that identifies a file and other input/output devices. In Linux and Unix-like systems, everything is like a file. You may have come across the saying, “Everything is a file in Linux.” Although this is not entirely true, it does hold a set of truths to it.
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