Not sure, if i can access one file with two apps

I'm asking this, because I don't know, if this is a correct way to do it:

I'm using two server applications in the same directory. Both non-ui-apps have to access the same files:

File 1:
The first file is an RandomAccessFile which I load in both applications with

Code:

  Public Kontakte As Map
...
If File.Exists(File.DirApp, "Kontakte.eis") Then
Dim Kontaktdatei As RandomAccessFile
    Kontaktdatei.Initialize(File.DirApp,"Kontakte.eis", False)
    Kontakte =...  

Not sure, if i can access one file with two apps

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