diff options
Diffstat (limited to 'usr.bin/doscmd/doscmd.1')
| -rw-r--r-- | usr.bin/doscmd/doscmd.1 | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/usr.bin/doscmd/doscmd.1 b/usr.bin/doscmd/doscmd.1 index f0d120d..72b2489 100644 --- a/usr.bin/doscmd/doscmd.1 +++ b/usr.bin/doscmd/doscmd.1 @@ -37,7 +37,7 @@ .Nm doscmd .Nd run a subset of real-mode DOS programs .Sh SYNOPSIS -.Nm doscmd +.Nm .Fl 23AbDEfHIMOPRrtVvXxYz .Fl c Ar file .Fl d Ar file @@ -60,7 +60,7 @@ or it can be used to emulate a PC and boot DOS, which allows it to run a larger variety of DOS applications. It should be noted that MS DOS 6.2 and higher appear to cause difficulties for -.Nm doscmd. +.Nm . To boot DOS, either provide the .Fl b flag or omit the @@ -75,18 +75,18 @@ and are ignored. .Pp Although -.Nm doscmd +.Nm only provides a subset of DOS, it is sufficient to run a variety of programs, including, but not limited to, compilers, assemblers and linker-loaders. .Pp The various flags available to -.Nm doscmd +.Nm are: .Bl -tag -width indent .It Fl 2 Enable debugging traces of every trap to the -.Nm doscmd +.Nm emulator from the DOS program. Note that some traps are handled in the kernel and hence will not be traced. @@ -275,14 +275,14 @@ Enable debugging of the EMS operations. .\" .It Fl z Cause -.Nm doscmd +.Nm to pause just prior to jumping to the DOS program. Very little use except for developing -.Nm doscmd . +.Nm . .El .Pp When starting up, -.Nm doscmd +.Nm attempts to read a configuration file. First the file .Cm .doscmdrc in the current directory. If not found there, the @@ -318,7 +318,7 @@ is tried. .Ar path .Xc Assigns the -.Nm BSD/OS +.Tn BSD/OS directory .Ar path to be assigned as the specified drive. If the @@ -510,18 +510,17 @@ the DOS environment. These are: .It Cm MS_VERSION The value of this variable is used to determine the version of DOS that should be reported by -.Nm doscmd . +.Nm . Note that -.Nm doscmd +.Nm will not change the way it works, just the way it reports. By default this value is .Cm 410 , which corresponds to -.Nm "MS DOS -version -.Nm 4.1 . +.Tn "MS DOS +version 4.1. To change it to version 3.2 (the default in previous versions of -.Nm doscmd ) +.Nm ) use the value of .Cm 320 . .It Cm X11_FONT @@ -540,9 +539,9 @@ to let the X server find it. .Sh FILE TRANSLATION .Nm Doscmd translates -.Nm BSD/OS +.Tn BSD/OS file names into -.Nm DOS +.Tn DOS file names by converting to all upper case and eliminating any invalid character. It does not make any attempt to convert ASCII files into the @@ -729,7 +728,7 @@ naming problems. .Sh DIAGNOSTICS .Pp If -.Nm doscmd +.Nm encounters an interrupt which is unimplemented, it will print a message such as: .Pp @@ -757,5 +756,5 @@ in the source directory (normally .An Paul Borman .Sh HISTORY The -.Nm doscmd +.Nm program first appeared in BSD/386. |
