diff --git a/simulator.c b/simulator.c
index e117924..7a0c68d 100644
--- a/simulator.c
+++ b/simulator.c
@@ -18,7 +18,7 @@ struct pinfo {
     int priority;
     
     int wait_time;
-    int completion_time;
+    int turnaround_time;
     int remaining_time;
     enum pstate state;
 
@@ -44,7 +44,7 @@ void print_pinfo(struct pinfo * info) {
     printf("  Execution time: %d\n", info->execution_time);
     printf("  Priority: %d\n", info->priority);
     printf("  Wait time: %d\n", info->wait_time);
-    printf("  Completion time: %d\n", info->completion_time);
+    printf("  Turnaround time: %d\n", info->turnaround_time);
     printf("  Remaining time: %d\n", info->remaining_time);
     printf("  NEXT -> %p\n", info->next_pinfo);
     printf("}>\n");
@@ -64,7 +64,7 @@ struct pinfo * create_process(int id, int arrival_time, int execution_time, int
     info->execution_time = execution_time;
     info->priority = priority;
     info->wait_time = 0;
-    info->completion_time = 0;
+    info->turnaround_time = 0;
     info->remaining_time = execution_time;
     info->state = WAITING;
     info->next_pinfo = NULL;
@@ -83,8 +83,8 @@ struct perf_info schedule_FCFS(struct pinfo * processes) {
             wait_time = 0;
         }
         process->wait_time = wait_time;
-        process->completion_time = process->execution_time + process->wait_time;
-        current_time = process->arrival_time + process->completion_time;
+        process->turnaround_time = process->execution_time + process->wait_time;
+        current_time = process->arrival_time + process->turnaround_time;
 
         process = process->next_pinfo;
     }
@@ -139,16 +139,32 @@ struct pinfo * read_file() {
 }
 
 void write_file(struct pinfo * process, struct perf_info * perf) {
-    // TODO
-}
+    
+    FILE *myStream_execution = fopen("execution.csv", "w");
+    FILE *myStream_performance = fopen("performance.csv", "w");
 
-void free_processes(struct pinfo * next) {
-    struct pinfo * cur;
-    while (next != NULL) {
-        cur = next;
-        next = cur->next_pinfo;
-        free(cur);
+    if (myStream_execution == NULL || myStream_performance == NULL) {
+        perror("Erreur à l'ouverture des fichiers");
+        return;
     }
+
+    while (process != NULL) {
+        fprintf(myStream_execution, "%d,%d,%d\n",
+                process->id,
+                process->turnaround_time,
+                process->wait_time);
+        process = process->next_pinfo;
+    }
+    fclose(myStream_execution);
+
+    
+    fprintf(myStream_performance, "%d,%d,%d\n",
+            perf->total_time,
+            perf->total_nr_ctxt_switch,
+            perf->total_time_ctxt_switch);
+
+    
+    fclose(myStream_performance);
 }
 
 int main() {
@@ -156,11 +172,13 @@ int main() {
 
     struct perf_info perf = schedule_FCFS(processes);
 
-    //write_file(processes, &perf);
+    write_file(processes, &perf);
     print_processes(processes);
     print_perf(&perf);
 
     free_processes(processes);
 
+    
+
     return 0;
 }
\ No newline at end of file