What does `exec "$@"` do? - Unix & Linux Stack Exchange
Sep 5, 2018 · The exec will replace the current process with the process resulting from executing its argument. In short, exec "$@" will run the command given by the command line parameters …
Please explain the exec () function and its family
May 21, 2020 · What is the exec() function and its family? Why is this function used and how does its work? Please anyone explain these functions.
Difference between exec, execvp, execl, execv? - Stack Overflow
Apr 18, 2019 · Possible duplicate of What are the different versions of exec used for in C and C++?, What is the difference between the functions of the exec family of system calls like exec …
c - Differences between fork and exec - Stack Overflow
Oct 31, 2009 · The use of fork and exec exemplifies the spirit of UNIX in that it provides a very simple way to start new tasks. Note the use of the word task here, I have deliberately avoided …
What does set -e and exec "$@" do for docker entrypoint scripts?
Jan 4, 2018 · At the exec line entrypoint.sh, the shell running as pid 1 will replace itself with the command server start. This is critical for signal handling. Without using exec, the server start …
shell - Understanding the -exec option of `find` - Unix & Linux …
Sep 1, 2017 · Using -exec in combination with sh -c The command that -exec can execute is limited to an external utility with optional arguments. To use shell built-ins, functions, …
understanding bash "exec 1>&2" command - Stack Overflow
Oct 1, 2012 · function example() { exec 1>&2 cat <<EOT Script requires at least one parameter. EOT exit 1 } As I understand, exec 1>&2 means that everything from this point one will be …
What is the difference between the functions of the exec family of ...
Dec 29, 2013 · exec () family of functions replaces existing process image with a new process image. This is a marked difference from fork () system call where the parent and child …
What are the different versions of exec used for in C and C++?
Apr 24, 2011 · These are all the versions of exec that can be used in C (and C++) execl execle execlp execv execve execvp What's the difference between them? How do you know which …
What's the difference between eval, exec, and compile?
Oct 12, 2018 · I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement. Can someone please explain the …