The first version of this table was taken from another site.
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PAW

 CINT/ROOT
 Functions:
 Functions:
 fun/plot sin(x) 100 0. 3.14 

 histo/plot 12345		  TF1 *f1 = new TF1("f1","sin(x)",0,10); 
 f1->Draw();
 (f1->GetHistogram())->Draw();
 fun2 10 sin(x)*sin(y) 100 0. 3.14 100 0. 3.14 
 histo/plot 10 surf4 		  TF2 *fun2 = new TF2("fun2","sin(x)*sin(y)",0.,3.14,0.,3.14); 
 fun2->Draw("surf4"); 
Files:
Files:
 histo/file 10 histos.hbook 
 histo/file 10 histos.hbook ! N 
 histo/file 10 histos.hbook ! U		  TFile *hfile = new  TFile("histos.root"); 
 TFile *hfile = new  TFile("histos.root","new"); 
 TFile *hfile = new  TFile("histos.root","update");
 histo/list 10  hfile.ls(); (or just .ls)
 cd //lun10  hfile.cd();
myfile.cd(); // make sure ROOT's focus is on myfile
TTree * mytree = (TTree*)gDirectory->Get("treeName");
 hrout 10  hfile->Write();
 close 10  hfile->Close();
Histos:
Histos:
 1-dim:  1-dim: 
 1d/crea 10 'title' nbins xlow xup  TH1F *h10 = new TH1F("h10","title",nbins,xlow,xup);
 histo/plot 10 
 histo/plot 10(20.:50.) 		  h10->Draw(); 
 h10->GetXaxis()->SetRange(20,50) ; h10->Draw(); 
 set hcol 5
 histo/plot 10 e1,s		  h10.SetLineColor(5)
 h10->Draw("e1same");
 null xmin xmax ymin ymax 
 histo/plot 10 s		  TH2F frame = new TH2F("frame","",ncx,xmin,xmax,ncy,ymin,ymax); 
 frame->Draw(); 
 h10->Draw("same")
 histo/op/add 10 11 12 a b E  TH1F *h12 = new TH1F(*h10); 
 h12->Sumw2();
 h12->Add(h10,h11,a,b);
 histo/op/div 10 11 12  TH1F *h12 = new TH1F(*h10); 
 h12->Divide(h10,h11,1,1);
 histo/fit 10 chopt     (chopt=G/pN/func/myfit.for/...)  h10->Fit("opt");   (opt=gaus/pN/myfunc/myfit.C/...)
 histo/fit 10(15.:25.) chopt    (chopt=G/pN/func/myfit.for/...)   h10->Fit("opt","R","",15,25);     (opt=gaus/pN/myfunc/myfit.C/...) 
 loca -i  h10->Integral(bin1,bin2);
 histo/del 10  h10->Delete();
 2-dim:  2-dim:
 2d/crea 20 'title' ncx xmin xmax ncy ymin ymax  TH2F *h20 = new TH2F("h20","title",ncx,xmin,xmax,ncy,ymin,ymax); 
 set hcol 5
 histo/plot 20 chopt (chopt=box/col/cont/...)		  h20.SetMarkerColor(5)
 h20->Draw("opt");  (opt = box/col/cont/...)
 min 20 5 
 max 20 10		  h20->SetMinimum(5); 
 h20->SetMaximum(10);
 histo/proj 20 
 histo/plot 20.prox 		  h20->ProjectionX("Xproj",); 
 Ntuples:
 Trees:
 ntuple/create 100 ' ' 3 ' ' 1024 x y z   TTree *t100 = new TTree("t100","Tree 100","z:y:x"); 
 ntuple/print 100   t100->Print(); 
 ntuple/scan 100  t100->Scan();
 ntuple/plot 100.x   t100->Draw("x"); 
 ntuple/plot 100.x x>0   t100->Draw("x","x>0");
 ntuple/plot 100.x ! ! ! ! s  t100->Draw("x","","same");
 ntuple/plot 100.y%x   t100->Draw("y:x"); 
 ntuple/plot 100.z%y%x   t100->Draw("z:y:x"); 
 ntuple/plot 100.x*x+y*y   t100->Draw("x*x+y*y");
 ntuple/proj 10 100.x   t100->Draw("x>>h10"); 
 ntuple/uwfnc 100 file.for  t100->MakeCode("file.root");  // (old)
 t100->MakeClass("file.root");  // (old)
 t100->MakeSelector("file.root");  // (old)
 Windows:
 Canvas:
 (Open HIGZ window)  TCanvas *c1 = new TCanvas("c1","title",sizex,sizey); 
 next  c1->Clear();
 (Refresh changes in window)  c1->Update();
 zone 1 2 
 histo/plot 1 
 histo/plot 2 		  c1->Divide(1,2); 
 c1_1->Draw(); 
 c1_1->cd(); 
 h1->Draw(); 
 c1_2->Draw(); 
 c1_2->cd(); 
 h2->Draw();
 zone 2 2 
 histo/plot 1 
 histo/plot 2 
 histo/plot 3 
 histo/plot 4 		  c1->Divide(2,2); 
 c1_1->Draw(); 
 c1_1->cd(); 
 h1->Draw(); 
 c1_2->Draw(); 
 c1_2->cd(); 
 h2->Draw();
 c1_3->Draw(); 
 c1_3->cd(); 
 h3->Draw();
 c1_4->Draw(); 
 c1_4->cd(); 
 h4->Draw();
 zone 2 2 
 histo/plot 1 
 histo/plot 2 
 histo/plot 3 
 histo/plot 4 		 c1 = new TCanvas("c1"," ",200,10,600,480);

TPad pad1("pad1"," ",0.1,0.6,0.6,0.9);
TPad pad2("pad2"," ",0.6,0.9,0.6,0.9);
TPad pad3("pad3"," ",0.1,0.6,0.1,0.4);
TPad pad4("pad4"," ",0.6,0.9,0.1,0.4);

pad1.Draw();
pad1.cd();
h1.Draw();

pad2.Draw();
pad2.cd();
h2.Draw();

pad3.Draw();
pad3.cd();
h3.Draw();

pad4.Draw();
pad4.cd();
h4.Draw();
 opt logy 
 opt liny		  c1->SetLogy(); 
 c1->SetLogy(0);
 fortran/file 66 graph.ps   (or:   graph.eps) 
 meta -66 -111   (or:   -113)
 picture/plot 
 fortran/close 66 		  c1->Draw(); 
 c1->Print("graph.ps");
 or:   c1->Print("graph.eps");
   c1->Print("graph.C"); 
 c1->Print("graph.root");
 Primitives:
 Primitives:
 text 0.5 0.5 "TEXT" 0.35 45  TText *t1 = new TText(0.5,0.5,"TEXT"); 
 t1->SetTextSize(0.35); 
 t1->SetTextAngle(45); 
 t1->Draw(); 
 line 0.05 0.05 0.95 0.95   TLine *line1 = new TLine(0.05,0.05,0.95,0.95); 
 line1->Draw(); 
 arrow 5. 5. 10. 10. 0.3   TArrow *arrow1 = new TArrow(5.,5.,10.,10.,0.03,">"); 
 arrow1->Draw();
 Other useful commands:
 Other useful commands:
 exec macro.kumac  .x macro.C 
 shell (command)  .! (command)
 exit  .q
 ldir  .ls
 cd  .pwd()
 mdir subdir  dir.mkdir("subdir")  (dir=gROOT,hfile, ...)
 cd dir  dir.cd()   or   .cd("hfile.root"); 
 cd //PAWC  gROOT.cd()
 lcdir  .which
 mess "Welcome"  printf("Welcome\n");
 (Load a file)  .L myfit.C
 trace on  .s
 wait  getchar();
 (PAW++ mode)  TBrowser *b = new TBrowser
 last.kumac  .root_hist
 pawlogon.kumac  rootlogon.C