diff --git a/quad10/fenomens/lab/p4/run.bash b/quad10/fenomens/lab/p4/run.bash
index 2c95bdd..1be282a 100755
--- a/quad10/fenomens/lab/p4/run.bash
+++ b/quad10/fenomens/lab/p4/run.bash
@@ -5,9 +5,10 @@
 
   Usage: $progname T L [outFilePrefix [--help --skipIfComputed
              --nSeeds NSEEDS --mcTot MCTOT --mcIni MCINI --mcD MCD
-             --initialSeed INITIALSEED --saveFinalConf]]
+             --initialSeed INITIALSEED --saveFinalConf
+             --saveEvolution]]
 
-  the output file will be saved at "data_out/{{outFilePrefix}}"
+  the results file will be saved at "data_out/{{outFilePrefix}}.res"
 
   optional arguments:
     -h, --help            show this help message and exit.
@@ -24,6 +25,11 @@
     --initialSeed         initial seed for the Monte Carlo algorithm.
     --saveFinalConf       save a file with the configuration which
                           belongs to the last Montecarlo iteration.
+                          It will be saved at
+                          "data_out/{{outFilePrefix}}.conf".
+    --saveEvolution       save a file with the temporary evolution
+                          of the simulation. It will be saved at
+                          "data_out/{{outFilePrefix}}.ev"
 END
 }
 
@@ -37,7 +43,7 @@
 defaultOutFilePrefix="L$L-T$T"
 outFilePrefix="${3:-$defaultOutFilePrefix}"
 
-opts=$(getopt -l "help,skipIfComputed,nSeeds:,mcTot:,mcIni:,mcD:,initialSeed:,saveFinalConf" -o "hsn:m:i:d:" -n "$progname" -- "${@:4}")
+opts=$(getopt -l "help,skipIfComputed,nSeeds:,mcTot:,mcIni:,mcD:,initialSeed:,saveFinalConf,saveEvolution" -o "hsn:m:i:d:" -n "$progname" -- "${@:4}")
 eval set -- "$opts"
 
 skipIfComputed=false
@@ -47,6 +53,7 @@
 mcD=20
 initialSeed=117654
 saveFinalConf=F
+saveEvolution=F
 
 while true; do
   case "$1" in
@@ -82,6 +89,10 @@
       saveFinalConf=T
       shift
       ;;
+    --saveEvolution)
+      saveEvolution=T
+      shift
+      ;;
     *) break ;;
   esac
 done
@@ -104,5 +115,6 @@
 MCINI=$mcIni,
 MCD=$mcD
 SAVEFINALCONF=$saveFinalConf
+SAVEEVOLUTION=$saveEvolution
 &END
 EOF