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).

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.

Aug 30, 2024 · The 'exec' command is a versatile tool in the Linux shell scripting arsenal. It allows for efficient process management by replacing the current shell with a command instead of creating a …

Dec 11, 2025 · The Linux exec command executes a Shell command without creating a new process. Instead, it replaces the currently open Shell operation. Depending on the command usage, exec has …

Jun 1, 2025 · On Unix-like operating systems, exec is a builtin command of the Bash shell. It lets you execute a command that completely replaces the current process. The current shell process is …

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 …

Jun 25, 2025 · We’ll cover how to use exec effectively, troubleshoot common issues, and show you how to leverage its power for advanced tasks. Whether you’re a seasoned Linux administrator or a …

The exec command is a shell built-in that replaces the current shell process with the specified command, without creating a new process. When used without a command, it can be used to manipulate file …

Mar 31, 2024 · The exec command can be used for multiple purposes in Linux. The main purpose of the command is to replace the current process with a new command that takes over the memory, …

Nov 14, 2025 · The exec family of functions in Linux is a set of system calls that are used to execute a new program. When an exec function is called, the current process image is completely replaced by …