Question

Please Modify the following program, paste your code and show the execution result capture

			/**
			* Basic execl() Usage.
			*
			* By walking through this example you’ll learn:
			* - How to use execl().
			* - What happens to the process that invoked execl().
			*
			*/
			#include
			#include
			int main(int argc, char* argv[]){
			printf("%s executing `ls -l`.\n", "Before");
			// HINT: The /bin/ls -l should be executed.
			execl();
			printf("%s executing `ls -l`.\n", "After");
			return 0;
			}

Answer 1

/**
* Basic execl() Usage.
*
* By walking through this example you’ll learn:
* - How to use execl().
* - What happens to the process that invoked execl().
*
*/
#include <stdio.h>
#include <unistd.h>
int main(int argc, char* argv[]){
printf("%s executing `ls -l`.\n", "Before");
// HINT: The /bin/ls -l should be executed.
execl("/bin/ls", "/bin/ls", "-l", (char*) NULL);
printf("%s executing `ls -l`.\n", "After");
return 0;
}

Please upvote, as i have given the exact answer as asked in question. Still in case of any concerns in code, let me know in comments. Thanks!