Initial commit

src/execlp.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h> 
+
+int main(int argc, char * argv[])
+{
+	int pid;
+	/* fork another process */
+	pid = fork();
+	if (pid<0) 
+	{ 
+		/* error occurred */
+		fprintf(stderr,"Fork Failed!");
+		exit(-1);
+	} 
+	else if (pid==0) 
+	{
+		/*	 child process 	*/
+		execlp("/bin/ls","ls",NULL);
+	} 
+	else 
+	{ 	
+		/* 	parent process	 */
+		/* parent will wait for the child to complete*/
+		wait(NULL);
+		printf("Child Complete!");
+		exit(0);
+	}
+}
+

src/fork.c

@@ -0,0 +1,15 @@
+#include  <unistd.h>
+#include  <stdio.h>
+#include  <sys/types.h>
+
+int main  () 
+{
+	pid_t  pid;
+	pid=fork();
+	if  (pid  <  0) 
+		printf("error  in  fork!");
+	else  if  (pid  ==  0)
+		printf("i  am  the  child  process,  my  process  id  is  %d\n",getpid());
+	else
+		printf("i  am  the  parent  process,  my  process  id  is  %d\n",getpid()); 
+}