diff --git a/matlab/parallel/AnalyseComputationalEnvironment.m b/matlab/parallel/AnalyseComputationalEnvironment.m
index be01f3c8d044483786c25c106372d5bca467dfb5..9884a051bde007739b24417001f726561b8deb2c 100644
--- a/matlab/parallel/AnalyseComputationalEnvironment.m
+++ b/matlab/parallel/AnalyseComputationalEnvironment.m
@@ -522,7 +522,7 @@ for Node=1:length(DataInput) % To obtain a recoursive function remove the 'for'
     if (DataInput(Node).Local == 1)
         if Environment
             if ~ismac
-                [si0, de0] = system('grep processor /proc/cpuinfo');
+                [si0, de0] = system('grep -c processor /proc/cpuinfo');
             else
                 [si0, de0] = system('sysctl -n hw.ncpu');
                 Environment1 = 2;
@@ -539,7 +539,8 @@ for Node=1:length(DataInput) % To obtain a recoursive function remove the 'for'
             end
             if OStargetUnix
                 if RemoteEnvironment ==1
-                    command_string = ['ssh ',ssh_token,' ',DataInput(Node).UserName,'@',DataInput(Node).ComputerName,' grep processor /proc/cpuinfo'];
+                    command_string = ['ssh ',ssh_token,' ', ...
+                                      DataInput(Node).UserName,'@',DataInput(Node).ComputerName,' grep -c processor /proc/cpuinfo'];
                 else % it is MAC
                     command_string = ['ssh ',ssh_token,' ',DataInput(Node).UserName,'@',DataInput(Node).ComputerName,' sysctl -n hw.ncpu'];
                     Environment1 = 2;
@@ -562,7 +563,6 @@ for Node=1:length(DataInput) % To obtain a recoursive function remove the 'for'
     end
 
     RealCPUnbr='';
-    %    keyboard;
     RealCPUnbr=GiveCPUnumber(de0,Environment1);
 
     % Questo controllo penso che si possa MIGLIORARE!!!!!
@@ -574,12 +574,12 @@ for Node=1:length(DataInput) % To obtain a recoursive function remove the 'for'
     if  isempty (RealCPUnbr)
         % An error occurred when we try to know the Cpu/Cores
         % numbers.
-        disp('It is impossible determine the number of Cpu/Processor avaiable on this machine!')
+        disp('It is impossible determine the number of Cpu/Processor available on this machine!')
         skipline()
         disp('ErrorCode 2.')
         skipline()
         if Environment
-            disp('Check the command "$less /proc/cpuinfo" ... !')
+            disp('Check the command "$grep - /proc/cpuinfo" ... !')
         else
             disp('Check if the pstools are installed and are in machine path! And check the command "psinfo \\"')
         end
diff --git a/matlab/parallel/GiveCPUnumber.m b/matlab/parallel/GiveCPUnumber.m
index cc2d45aa38e3674b234239e9d1f93a1edd65ef49..f7e6caf04d8f6d3d1a1c19d3157cfdb9888cd77c 100644
--- a/matlab/parallel/GiveCPUnumber.m
+++ b/matlab/parallel/GiveCPUnumber.m
@@ -65,9 +65,7 @@ switch Environment
     return
   case 1            %LIKE UNIX OPERATING SYSTEM
 
-    % Da generalizzare a un numero di CPu maggiore di 9!!!
-
-    nCPU=str2num(ComputerInformations(length(ComputerInformations)-1))+1;
+    nCPU=str2num(ComputerInformations);
 
   case 2            %MAC-OS OPERATING SYSTEM