How do I write a C program to emulate the Unix LS-L command?

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#include <stdio.h> #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> #include <stdlib.h> int main() { int pid; //process id pid = fork(); //create another process if ( pid < 0 ) { //fail printf(“\nFork...
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#include <stdio.h> #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> #include <stdlib.h> int main() { int pid; //process id pid = fork(); //create another process if ( pid < 0 ) { //fail printf(“\nFork failed\n”); exit (-1); } else if ( pid == 0 ) { //child execlp ( “/bin/ls”, “ls”, “-l”, NULL ); //execute ls } else { //parent wait (NULL); //wait for child printf(“\nchild complete\n”); exit (0); } } read less
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#include <stdio.h> #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> #include <stdlib.h> int main() { int pid; //process id pid = fork(); //create another process if ( pid < 0 ) { //fail printf(“\nFork...
read more
#include <stdio.h> #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> #include <stdlib.h> int main() { int pid; //process id pid = fork(); //create another process if ( pid < 0 ) { //fail printf(“\nFork failed\n”); exit (-1); } else if ( pid == 0 ) { //child execlp ( “/bin/ls”, “ls”, “-l”, NULL ); //execute ls } else { //parent wait (NULL); //wait for child printf(“\nchild complete\n”); exit (0); } } read less
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Hello,

I'm MBA Proffessional and have 5 years of experience in Finance Domain, now i'm planning to switch my career into IT, for that i'm planning to learn AWS and Devops as per my research in Google. what are the basic requirements/skills to learn these cources and how good is my decision to switch my career from Operations to IT.. I'd like to get some prompt comments here from real time experienced proffessionals.

 

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