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  1. 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.

  2. 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?

  3. 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 …

  4. 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 …

  5. 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 …

  6. 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, …

  7. bash - sh command: exec 2>&1 - Stack Overflow

    Aug 1, 2009 · What is exec stands for: exec is a built-in command in Linux. Different from the tradition command which just fork a sub shell process, exec could change current shell …

  8. What can cause exec to fail? What happens next? - Stack Overflow

    Sep 13, 2010 · What are the reasons that an exec (execl,execlp, etc.) can fail? If you make a call to exec and it returns, are there any best practices other than just panicking and calling exit?

  9. sql - How to SELECT FROM stored procedure - Stack Overflow

    May 4, 2017 · SELECT * FROM (EXEC MyProc) AS TEMP I need to use SELECT TOP X, ROW_NUMBER, and an additional WHERE clause to page my data, and I don't really want to …

  10. shell - PHP shell_exec () vs exec () - Stack Overflow

    Feb 21, 2018 · shell_exec returns all of the output stream as a string. exec returns the last line of the output by default, but can provide all output as an array specifed as the second parameter.