diff --git a/Sim02/logfile_1.lgf b/Sim02/logfile_1.lgf
index ba01ba2..52b0e91 100644
--- a/Sim02/logfile_1.lgf
+++ b/Sim02/logfile_1.lgf
@@ -1,5 +1,7 @@
 0.000000, OS: Simulator start
  READY state from NEW state
 ate
-tate
+
+ate
+
 
diff --git a/Sim02/sim02 b/Sim02/sim02
index 13fb927..a59a9ea 100755
Binary files a/Sim02/sim02 and b/Sim02/sim02 differ
diff --git a/Sim02/simulator.c b/Sim02/simulator.c
index 3e87544..ea7e6e0 100644
--- a/Sim02/simulator.c
+++ b/Sim02/simulator.c
@@ -134,7 +134,6 @@ ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *me
     // set the working pointer to the first part of the metadata pointer
     wkgMetaPtr = metadataPtr;
     wkgInsPtr = metadataPtr;
-    // currentPCB.nextOpCode = wkgMetaPtr;
     // set another working pointer to the first part of the PCB list
     wkgPCBPtr = headPointer->headPtr;
 
@@ -151,7 +150,6 @@ ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *me
     {
         currentPCB.nextOpCode = wkgInsPtr->nextNode;
         integerArgumentOne = wkgMetaPtr->intArg2;
-        printf("%s command, %s argument, %d\n", command, argument, integerArgumentOne);
         // if app start,
         if (compareString(command, "app") && compareString(argument, "start"))
         {
@@ -160,8 +158,6 @@ ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *me
             currentPCB.uniquePid = processId;
             // set the process state to PROCESS_STATE_NEW
             currentPCB.process_state = PROCESS_STATE_NEW;
-            // set the nextOpCode as a pointer to the first place metadataPtr started
-            // currentPCB.nextOpCode = wkgMetaPtr->nextNode; // broken?
         }
         // count number of io cycles
         if(compareString(command, "dev") == EQUIV)
@@ -169,12 +165,12 @@ ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *me
             integerArgumentOne = wkgMetaPtr->intArg2;
             if(compareString(inOutArg, "in") == EQUIV)
             {
-                //
+                // add up the IO cycle
                 ioCycleCount = ioCycleCount + integerArgumentOne;
             }
             else
             {
-                //
+                // add up the IO cycle
                 ioCycleCount = ioCycleCount + integerArgumentOne;
             }
         }
@@ -195,7 +191,6 @@ ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *me
             currentPCB.totalCycles = ioCycleCount + cpuCycleCount;
 
             // currentPCB must have the starting instruction from wkgInsPtr
-            // currentPCB.nextOpCode = wkgInsPtr->nextNode;
             wkgInsPtr = wkgMetaPtr;
 
             // set the time left from (ioCycles * ioCycleRate) + (cpuCycles * procCyclesRate)
@@ -358,6 +353,7 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr)
     // run over the entire process, running the CPU when a CPU cycle comes up
     // or a run IO when an IO cycle comes up
     char timeStringy[MAX_STR_LEN];
+    // grab the next operation code for the 
     OpCodeType *workingMeta = singlePCB->nextOpCode;
     char *command;
     char *argument;
@@ -367,30 +363,24 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr)
     argument = workingMeta->strArg1;
     intArg = workingMeta->intArg2;
     inOutArg = workingMeta->inOutArg;
-    printf("\n%s is the current command in this process.\n", command);
-    printf("\n%s is the current argument in this process.\n", argument);
     while (!(compareString(command, "app") == EQUIV && compareString(argument, "end") == EQUIV) && !(compareString(command, "sys") == EQUIV && compareString(argument, "end") == EQUIV))
     {
-        //
+        // check to see what operation will be performed
         if (compareString(command, "cpu") == EQUIV && compareString(argument, "process") == EQUIV)
         {
-            //
-            // printf("CPU RUNS\n");
+            // run the CPU for the required amount of time.
             runCPU(workingMeta->command, workingMeta->strArg1, workingMeta->intArg2, configPtr, singlePCB->uniquePid);
         }
         if(compareString(command, "dev") == EQUIV)
         {
-            //
-            // printf("IO RUNS\n");
+            // run IO operations for the required amount of time.
             runIO(workingMeta->command, workingMeta->strArg1, workingMeta->intArg2, configPtr, singlePCB->uniquePid);
         }
+        workingMeta = workingMeta->nextNode;
         command = workingMeta->command;
         argument = workingMeta->strArg1;
         intArg = workingMeta->intArg2;
-        workingMeta = workingMeta->nextNode;
     }
-    // workingMeta = workingMeta->nextNode;
-    // pthread_exit(NULL);
 }
 
 /*
@@ -460,24 +450,22 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
             logOutput(configPtr, simulatorOutput, false);
             pthread_t runThread;
             pthread_create(&runThread, NULL, (void *)&simThread, (void *)processTimeLeft);
-            pthread_join(runThread, NULL);
-            // runCPU(pcbPtr, configPtr);
             runProcess(pcbPtr, configPtr);
             // when finished, set to terminated
             sprintf(simulatorOutput, "%f, OS: Process %d set to TERMINATED state from RUNNING state\n\n", accessTimer(LAP_TIMER, timeStringy), pcbPtr->uniquePid);
             logOutput(configPtr, simulatorOutput, false);
             pcbPtr->process_state = PROCESS_STATE_TERMINATED;
-
+            pthread_join(runThread, NULL);
         }
         processTimeLeft = pcbPtr->timeLeft;
         pcbPtr = pcbPtr->nextPtr;
         currentPid = scheduleProcess(pcbList, configPtr);
     }
+    pthread_join(cpuThread, NULL);
     sprintf(simulatorOutput, "%f, OS: System Stop\n", accessTimer(LAP_TIMER, timeStringy));
     logOutput(configPtr, simulatorOutput, false);
     sprintf(simulatorOutput, "%f, OS: Simulation End\n", accessTimer(LAP_TIMER, timeStringy));
     logOutput(configPtr, simulatorOutput, true);
-    pthread_join(cpuThread, NULL);
     // deallocate the process list with destroyProcessList
     destroyProcessList(pcbList);
     // once complete, log the output to FILE if required