how to show the linearization result in Dymola?

What you can do, is assign the result to a variable. This can be done using the Outputs group as shown in the screenshot below. If you e.g. enter "sys" in the field for ss, you will get a record sys, in which you can access the matrices/vectors by typing sys.A, sys.B etc., which I've tested for a system of size 200x200. Typing this into the command line will display the content. Of course this record not only for outputting it, but also for post-processing.

The only thing this actually does, is modify the call from Modelica_LinearSystems2.ModelAnalysis.Linearize("ModelName") to sys=Modelica_LinearSystems2.ModelAnalysis.Linearize("ModelName"), so it can be done in the Commands window as well.

Call the function from the command line and capture the output. Then you can do with it what ever you want.

Everything you find in the Linear Analysis toolbar is part of the library Modelica_LinearSystems2. The Linearize item in this menu calls the function

Modelica_LinearSystems2.ModelAnalysis.Linearize("<your-model>")

which is also printed to the command line. The function returns the operator record Modelica_LinearSystems2.StateSpace, which contains all the info you are interested in. The default behavior of Dymola is to call the String method of this operator record and print it to the command line. If you look at the source code of Modelica_LinearSystems2.StateSpace.'String' you can see this at the start of the algorithm section:

  // If system is too large, do not print the matrices
  if size(ss.A,1) > 50 or size(ss.B, 2) > 50 or size(ss.C, 1) > 50 then
     ...

On the command line you can capture the operator record in a variable like this:

stateSpace = Modelica_LinearSystems2.ModelAnalysis.Linearize("<your-model>");

And then access the values on the command line via

stateSpace.A
stateSpace.B
stateSpace.C
stateSpace.D

For a nice html report you can also pass the operator record to one of the analysis functions:

Modelica_LinearSystems2.StateSpace.Analysis.analysis2.printSystem(stateSpace)

This creates the file systemAnalysis.html in your working directory, containing a nice visual presentation of your system.