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It is possible to execute commands of the operating system inside MIDAS, see
e.g. command #8.
This is done by typing a $ followed by the operating system command you want
to have executed. After this command has been finished you can continue your
work inside MIDAS.
Since MIDAS executes its applications in a child process (subprocess
for VMS) which leaves no traces after termination, you cannot simply
use the host command $ cd (Unix) ($ SET DEF in VMS) to change
the working directory once you are in a MIDAS session.
Instead, use the MIDAS command change/direc for that purpose.
See Chapter 3 for a detailed discussion of the
interaction of Midas with the host system.
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