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Annotation of 43BSD/games/compat/v6run.1, revision 1.1.1.1

1.1       root        1: .\"
                      2: .\"    v6run.1 4.1     82/05/12
                      3: .\"
                      4: .TH V6RUN 1 
                      5: .SH NAME
                      6: v6run, v7run  \-  compatability mode execution on VAX
                      7: .SH SYNOPSIS
                      8: .B v6run
                      9: [
                     10: .B \-root
                     11: ] file
                     12: .SH DESCRIPTION
                     13: .I V6run
                     14: and
                     15: .I v7run
                     16: are programs to run UNIX version 6 and UNIX version 7
                     17: .I a.out
                     18: format PDP-11 executable files.
                     19: The hardware compatability mode of the VAX is used for all PDP-11
                     20: instructions for which it applies.
                     21: System calls from the compatability mode program are caught
                     22: and simulated by executing appropriate native mode system calls.
                     23: .PP
                     24: The optional
                     25: .I root
                     26: specification indicates a directory which is to be treated as
                     27: the root directory for the process and its children.
                     28: This is especially useful for running a PDP-11 shell on
                     29: a directory hierarchy which looks like a PDP-11 file system
                     30: using a command such as
                     31: .sp
                     32: .ti +5
                     33: "v6run -/user/pdp11stuff/v6files /bin/sh".
                     34: .sp
                     35: Note that the specification of the file to execute (/bin/sh)
                     36: is relative to the specified directory.
                     37: .SH DIAGNOSTICS
                     38: Open failures are reported if files can not be opened for read access.
                     39: Other error messages concern bad system calls, bad a.out format etc.
                     40: .SH BUGS
                     41: There is no way to run separated I/D space processes.
                     42: The floating point simulation has not been well tested and no
                     43: doubt has some problems.
                     44: .SH AUTHOR
                     45: Arthur W. Wetzel (University of Pittsburgh - IDIS)

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