Match the description to the Linux term. (Not all options are used.)

Explanation & Hint:

1. Daemon: A daemon is a type of program on Unix-like operating systems that runs unobtrusively in the background, rather than under the direct control of a user. Daemons typically start at boot time and serve the function of responding to network requests, hardware activity, or other programs by performing some task. Daemons are often used to provide background services, and they do not need user interaction.
2. Hardening: This is the process of securing a system by reducing its surface of vulnerability. Hardening involves various techniques to protect remote access, system access, and other vectors that could be exploited by attackers. This can include configuring system and network components to eliminate unnecessary functions and services, applying security patches, and setting up firewalls and other security measures.
3. Logging: In the context of computing, logging refers to the recording of events in a computer system. Logs can track various kinds of data, such as system events, network traffic, user operations, and errors. Logging is critical for system management, security monitoring, and debugging purposes.
4. Symlink (Symbolic Link): A symlink is a term used in Linux that refers to a symbolic path indicating the abstract location of another file. A symbolic link is a type of file that contains a reference to another file or directory in the form of an absolute or relative path and that affects pathname resolution.

Explanation & Hint:

1. Process: This is a running instance of a computer program. In Linux, when a program is running, it is called a process. Each process is provided with its own set of virtual memory and system resources.
2. Fork: This creates a copy of a process due to multitasking. The fork() system call is used in Unix/Linux to create a new process, which is called a child process, from an existing process, which is the parent process.
3. Permissions: This determines user rights to a file. In Linux, permissions control the actions that users can perform on files and directories. There are three types of permissions: read, write, and execute, and they can be set for the file owner, the owner’s group, and others.
4. Handle: This term is not as commonly used in Linux in the same way as in some other systems. In general computing, a handle can refer to a reference to a resource, such as a file or a window. In Linux, these are usually referred to more specifically, such as file descriptors or pointers to data structures.