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1.1 ! root 1: .TH CPM 1 "3 May 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: cpm \- read and write CP/M\*R floppy disks ! 5: .SH SYNOPSIS ! 6: .B cpm ! 7: [ options ] [ filename ] ! 8: .SH DESCRIPTION ! 9: .PP ! 10: .I Cpm ! 11: reads and writes files with an internal structure ! 12: like a CP/M file system. By default ! 13: .I cpm ! 14: assumes that the specified file has the parameters of a standard IBM format ! 15: single sided single density 8" CP/M floppy disk, i.e., 2002 records ! 16: containing 128 bytes each, of which 52 are reserved for system use and ! 17: 16 (2 blocks) are used by the directory (maximum 64 directory entries). ! 18: These parameters may be changed by ! 19: specifying the appropriate flags (see below). Thus, various double ! 20: density formats may also be read and written, provided that the hardware ! 21: can handle the actual format. ! 22: .PP ! 23: The specified file may be a floppy disk drive (e.g., /dev/floppy on ! 24: an 11/780 or /dev/rrx?b if rx02 drives are available on your system), ! 25: or a standard UNIX file with the appropriate structure. Since ! 26: it may be inconvenient (and slow) to access the device directly, in ! 27: particular the console floppy on an 11/780, it is always a good idea to ! 28: copy the contents of the diskette into a standard file using ! 29: \fIdd\fP(1), e.g., ! 30: .sp ! 31: .nf ! 32: dd if=/dev/floppy of=yourfile bs=128 count=2002 ! 33: .fi ! 34: .PP ! 35: On most systems you have to be superuser to access the console ! 36: floppy and to be able to write to rx02's. ! 37: .PP ! 38: Flags: ! 39: .TP 20 ! 40: .BR \-d ! 41: display directory on standard output ! 42: .TP ! 43: .BR \-B ! 44: the files specified with the \fBc\fR or \fBC\fR flag contain binary ! 45: code rather than plain text (default) ! 46: .TP ! 47: \fB\-c \fIname1 name2\fR ! 48: copy the CP/M file \fIname1\fR to the UNIX file \fIname2\f ! 49: .TP ! 50: \fB\-C \fIname1 name2\fR ! 51: copy the UNIX file \fIname1\fR to the CP/M file \fIname2\f ! 52: .TP ! 53: \fB\-p \fIname\fR ! 54: copy the specified CP/M file to standard output ! 55: .TP ! 56: .BR \-i ! 57: enter interactive mode (all the above flags are turned off) ! 58: .TP ! 59: .BR \-I ! 60: force initializtion of the specified CP/M file (e.g., delete all files) ! 61: .TP ! 62: .BI \-s n ! 63: skew factor (sector interleaving); default is 6 ! 64: .TP ! 65: .BI \-b n ! 66: block size (in bytes); default is 1K bytes ! 67: .TP ! 68: .BI \-m n ! 69: max number of directory entries; default is 64 ! 70: .TP ! 71: .BI \-l n ! 72: sector size (in bytes); default is 128 ! 73: .TP ! 74: .BI \-r n ! 75: number of sectors per track; default is 26 ! 76: .PP ! 77: If the ! 78: .B \-i ! 79: flag is specified, the filename argument must always be present. ! 80: If the specified file does not exist, a ! 81: new file will be initialized. The ! 82: .B \-C, ! 83: .B \-c ! 84: and ! 85: .B \-p ! 86: flags are mutually exclusive. ! 87: .PP ! 88: The following commands are available in interactive mode: ! 89: .TP 24 ! 90: \fBccopyin \fIunixfile cpmfile\fR ! 91: copy UNIX binary file to CP/M ! 92: .TP ! 93: \fBccopyout \fIcpmfile unixfile\fR ! 94: copy CP/M binary file to UNIX ! 95: .TP ! 96: \fBcopyin \fIunixfile cpmfile\fR ! 97: copy UNIX text file to CP/M ! 98: .TP ! 99: \fBcopyout \fIcpmfile unixfile\fR ! 100: copy CP/M text file to UNIX ! 101: .TP ! 102: \fBdel\fR[ete] \fIfilename\fR ! 103: a synonym for \fIerase\fR ! 104: .TP ! 105: \fBdir\fR[ectory] or \fBls\fP ! 106: display directory ! 107: .TP ! 108: \fBera\fR[se] \fIfilename\fR ! 109: delete the given file ! 110: .TP ! 111: \fBhel\fR[p] ! 112: print a short description of each command ! 113: .TP ! 114: \fBlog\fR[out] or \fBexi\fR[t] or \fB^D\fR ! 115: terminate, return to the shell ! 116: .TP ! 117: \fBren\fR[ame] \fIfile1 file2\fR ! 118: rename \fIfile1\fR to \fIfile2\fR ! 119: .TP ! 120: \fBtyp\fR[e] \fIfilename\fR ! 121: print CP/M file to console ! 122: .PP ! 123: .sp ! 124: The commands may be abbreviated as indicated by brackets. ! 125: CP/M file names are automatically converted to upper case. ! 126: The copy commands refuse to overwrite existing files. ! 127: .PP ! 128: If the CP/M floppy file becomes full during a file transfer from UNIX, ! 129: the file is closed and the command terminated. ! 130: The data already written to the CP/M file will be saved. ! 131: .PP ! 132: The ! 133: .I copyout ! 134: command assumes that CP/M text files ! 135: have cr+lf as line terminators and removes carriage returns. ! 136: .I Copyin ! 137: adds a carriage return in front of each line-feed, and adds ! 138: a ^Z to the end of the file. The binary copy commands provide ! 139: for ``raw'' file copying, thus making it possible to copy code files ! 140: to and from diskettes. ! 141: .PP ! 142: Interrupts are recognized in interactive mode, and will return you to ! 143: the command level. ! 144: .SH FILES ! 145: /dev/floppy ! 146: .br ! 147: /dev/rrx?b ! 148: .br ! 149: /usr/new/lib/cpm.hlp ! 150: .SH SEE ALSO ! 151: dd(1), rx(4v) ! 152: .SH BUGS ! 153: CP/M user numbers are ignored, files written ! 154: to the CP/M floppy file will always have user number 0. ! 155: .PP ! 156: No testing has been done with double density floppies. ! 157: .PP ! 158: CP/M filename extensions containing more than 3 characters will quietly be ! 159: truncated. ! 160: .PP ! 161: Wildcards are not supported. ! 162: .PP ! 163: The distinction between text and binary files is clumsy but necessary ! 164: because CP/M uses CR/LF for line termination. ! 165: .SH AUTHOR ! 166: Helge Skrivervik
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