
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.
bash - What does an "exec" command do? - Ask Ubuntu
Sep 18, 2014 · I have seen exec command used inside scripts to redirect all output to a file (as seen in this). But in simple words, what does it do?
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 …
What are the uses of the exec command in shell scripts?
The exec built-in command mirrors functions in the kernel, there are a family of them based on execve, which is usually called from C. exec replaces the current program in the current …
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 · exec is a bit easier to grasp, you just tell exec to execute a process using the target executable and you don't have two processes running the same code or inheriting the …
command line - What does 'exec' do? - Ask Ubuntu
The exec you have executed is a shell built-in : $ type -a exec exec is a shell builtin Now from help exec : Replace the shell with the given command. Execute COMMAND, replacing this …
shell - Understanding the -exec option of `find` - Unix & Linux …
Sep 1, 2017 · Each -exec also acts like a "test" on the pathnames found by find, just like -type and -name does. If the command returns a zero exit status (signifying "success"), the next part of …
What is the purpose of using the exec command? - Stack Overflow
Oct 29, 2020 · The exec is a builtin command of the Bash shell which allows you to execute a command that completely replaces the current process, i.e., the current shell process is …