gSystem->Exec("cp BackgroundFull/AliESDs.root Background/");\r
gSystem->Exec("cp -a BackgroundFull/GRP Background/");\r
gSystem->Exec("cp sim.C Background/");\r
gSystem->Exec("cp BackgroundFull/AliESDs.root Background/");\r
gSystem->Exec("cp -a BackgroundFull/GRP Background/");\r
gSystem->Exec("cp sim.C Background/");\r