The exec () family of functions replaces the current process image with a new process image. The functions described in this manual page are layered on top of execve (2).

Mar 7, 2026 · The exec command in Linux is a shell built-in used to replace the current shell with another command. Unlike normal commands that start a new process, exec does not create a new …

Sep 5, 2018 · exec is to run a command in the same process as the shell. That's the last command a script will execute because after that, the process will be running another command than the shell.

In computing, exec is a functionality of an operating system that runs an executable file in the context of an already existing process, replacing the previous executable. This act is also referred to as an …

Dec 11, 2025 · The Linux exec command replaces the currently running process. Learn how to utilize the command in the terminal and through Bash scripts.

The exec command—honestly, quite a powerful tool really—is used in both Linux and Windows. It replaces the current process with a new one, transforming the executing shell into the specified …

Mar 31, 2024 · The exec command replaces the current terminal process with a new command. This command in Linux often executes specific programs or commands without creating a new process.

Dec 17, 2024 · The exec command is a powerful feature in Unix-like operating systems, including Linux, that runs specified commands by replacing the current shell process with a new process for the …

Mar 21, 2024 · The exec command in Linux allows you to launch and replace running processes. It's a powerful tool for both shell scripts and interacting directly with your system.

Nov 30, 2020 · The exec command in Linux is used to execute a command by replacing the current process with that command. In bash shell and ksh shell, it is also used to redirect file descriptors for …