Improve code and comments

main.c

@@ -146,32 +146,43 @@ int main() {
             if (returnCode == -1) {
                 fprintf(stdout, "bsh: Command not found\n");
             }
+            // Clean up and we are done;
             printf("\n");
             exit(1);
         } else {
+            // Wait where if no & and not a pipe
             if (runInBackground == 0  && doMoreCheck == 0) {
                 wait(NULL);
             }
+            // Reset the background thing
             runInBackground = 0;
         }
 
         // Do if more fork, otherwise short cricut and move on with life
         if (doMoreCheck != 0 && fork() == 0) {
+            // Close Stdin
             close(STDIN_FILENO);
+            // Make stdin the pipe
             dup(thePipe[0]);
+            // Close the pipes
             close(thePipe[1]);
             close(thePipe[0]);
-            char* moreCmd[] = {"more", 0};
+            // During recitation the TA stated only supporting more is okay
+            // The NULL is important, Pro tip.
+            char* moreCmd[] = {"more", NULL};
             execvp(moreCmd[0], moreCmd);
+            // We done, exit
             exit(1);
         } else if (doMoreCheck != 0) {
+            // Close pipes
             close(thePipe[0]);
             close(thePipe[1]);
-            wait(0);
-            wait(0);
+            // Wait on the children to finish playing
+            wait(NULL);
+            wait(NULL);
         }
 
-
+        // Free the tokens
         free(tokens);
     }
 }
@@ -183,6 +194,8 @@ void storeHist(char **readBuff, int *historyPos, char historyBuff[50][5000], int
         for (int i = 0; i < numTokens - 1; i++) {
             strcat(historyBuff[*historyPos], readBuff[i]);
             int nextIter = i + 1;
+            // No space the end
+            //
             if (nextIter < numTokens - 1) {
                 strcat(historyBuff[*historyPos], " ");
             }