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- What does `exec $@` do? - Unix Linux Stack Exchange
The exec will replace the current process with the process resulting from executing its argument In short, exec "$@" will run the command given by the command line parameters in such a way that the current process is replaced by it (if the exec is able to execute the command at all)
- bash - What does an exec command do? - Ask Ubuntu
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?
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 in the above example would run as another pid, and after it exits, you would return to your shell script With a shell in pid 1, a SIGTERM will be ignored by
- 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 with the specified program ARGUMENTS become the arguments to COMMAND If COMMAND is not specified, any redirections take effect in the current shell
- Difference between system and exec in Linux? - Stack Overflow
What is the difference between system and exec family commands? Especially I want to know which one of them creates child process to work?
- What is the difference between the functions of the exec family of . . .
The only difference between the above system calls is with the parameters Is that the case? If so, is the ultimate outcome of all the exec family system calls to execute a program (with different parameters)?
- What are the different versions of exec used for in C and C++?
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 one to use?
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