Description: The ‘exec’ command in the context of Unix-like operating systems refers to the ability to run a command or script without creating a new shell process. This command replaces the current shell process with the specified command, allowing users to efficiently execute programs and scripts, facilitating interaction with the operating system. In a command-line interface, command execution is performed through the command line, where users can enter instructions that the system will interpret and execute. This process is fundamental for system administration, task automation, and software development, as it allows users to directly interact with the operating system and run a wide variety of programs and scripts. Command execution via ‘exec’ is one of the most powerful and versatile features of the command-line environment, enabling users to perform complex tasks with ease and speed.
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