A. For disk c: the folder "1" (for instance) should be created.

B. after start of "dos-box" program the text on black screen will be:
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z:
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for start of cross-b2.exe, next commands should be made (to push key "Enter" for execution after typing of command):
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1. mount c c:\1\
2. c:
3. dir
4. cross-b2
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note: command dir is not necessary. It is useful for control of content of folder "1"

for other commands of "dos" listing, to print in the line
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z:
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the command "help" give you list of main dos-commands (it will be typed on screen)
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z:help
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for instance (to terminate the dos-session) -
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z:exit