diff --git a/NPEnvironment.bash b/NPEnvironment.bash
index 3ee46ca9959da111fb0e41316d906940112fb933..cf4896c979f7f48e16239de60a7f73b7f1c54d52 100644
--- a/NPEnvironment.bash
+++ b/NPEnvironment.bash
@@ -1,16 +1,15 @@
 # This File content all environment variable needed by NPTool.
 # On linux system, include it in your bashrc or tcshrc file.
-# using command:  source /path/NPEnvironment
 
 # NPTool Needs
-export NPTOOL=/home/Adrien/Desktop/NPTool
+export NPTOOL=/YourPathToNPTool/NPTool
 export NPLIB=$NPTOOL/NPLib
 export NPSIM=$NPTOOL/NPSimulation
 export NPANA=$NPTOOL/NPAnalysis
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$NPLIB/lib
 
 # alias
-alias Simulation='$NPSIM/bin/Linux-g++/Simulation'
+alias Simulation='$NPSIM/bin/$G4SYSTEM/Simulation'
 alias Analysis='$NPANA/Analysis'
 
 alias NPT='cd $NPTOOL'	
diff --git a/NPEnvironment.tchrc b/NPEnvironment.tchrc
index fef2f9b30170f304d14f6351256420ad38097c95..43f970f282a2c91c5e084885418bc38d3b21683c 100644
--- a/NPEnvironment.tchrc
+++ b/NPEnvironment.tchrc
@@ -1,16 +1,15 @@
 # This File content all environment variable needed by NPTool.
 # On linux system, include it in your bashrc or tcshrc file.
-# using command:  source /path/NPEnvironment
 
 # NPTool Needs
-setenv NPTOOL /home/Adrien/Desktop/NPTool
+setenv NPTOOL /YourPathToNPTool/NPTool
 setenv NPLIB $NPTOOL/NPLib
 setenv NPSIM $NPTOOL/NPSimulation
 setenv NPANA $NPTOOL/NPAnalysis
 setenv LD_LIBRARY_PATH $LD_LIBRARY_PATH:$NPLIB/lib
 
 # alias
-alias Simulation '$NPSIM/bin/Linux-g++/Simulation'
+alias Simulation '$NPSIM/bin/$G4SYSTEM/Simulation'
 alias Analysis '$NPANA/Analysis'
 
 alias NPT 'cd Desktop/NPTool'