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1.4 Built-in Commands CP/M Operating System Manual 1.4.2 DIR Command Syntax: DIR afn The DIR (directory) command causes the names of all files that satisfy the ambiguous filename afn to be listed at the console device. As a special case, the command DIR lists the files on the currently logged disk (the command DIR is equivalent to the command DIR *.*). The following are valid DIR commands: DIR X.Y DIR X?Y.C?M DIR ??.Y Similar to other CCP commands, the afn can be preceded by a drive name. The following DIR commands cause the selected drive to be addressed before the directory search takes place: DIR B: DIR B:X.Y DIR B:*.A?M If no files on the selected disk satisfy the directory request, the message NO FILE appears at the console. 1-9
1.4 Built-in Commands CP/M Operating System Manual 1.4.3 REN Command Syntax: REN ufn1=ufn2 The REN (rename) command allows you to change the names of files on disk. The file satisfying ufn2 is changed to ufn1. The currently logged disk is assumed to contain the file to rename (ufn2). You can also type a left-directed arrow instead of the equal sign if the console supports this graphic character. The following are examples of the REN command: REN X.Y=Q.R The file Q.R is changed to X.Y. REN XYZ.COM=XYZ.XXX The file XYZ.COM is changed to XYZ.XXX. The operator precedes either ufn1 or ufn2 (or both) by an optional drive address. If ufn1 is preceded by a drive name, then ufn2 is assumed to exist on the same drive. Similarly, if ufn2 is preceded by a drive name, then ufn1 is assumed to exist on the drive as well. The same drive must be specified in both cases if both ufn1 and ufn2 are preceded by drive names. The following REN commands illustrate this format: REN A:X.ASM=Y.ASM The file Y.ASM is changed to X.ASM on drive A. REN B:ZAP.BAS=ZOT.BAS The file ZOT.BAS is changed to ZAP.BAS on drive B. REN B:A.ASM=B:A.BAK The file A.BAK is renamed to A.ASM on drive B. If ufn1 is already present, the REN command responds with the error FILE EXISTS and not perform the change. If ufn2 does not exist on the specified disk, the message NO FILE is printed at the console. 1-10
Page 1 and 2: The CP/M Editor CP/M Features and F
Page 3 and 4: 1 CP/M Features and Facilities Tabl
Page 5 and 6: 4 CP/M Dynamic Debugging Tool Table
Page 7 and 8: Table of Contents (continued) 3-7 D
Page 9 and 10: CP/M also supports ED, a powerful c
Page 11 and 12: 1.1 Introduction CP/M Operating Sys
Page 13 and 14: 1.2 Functional Description CP/M Ope
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Page 21 and 22: 1.5 Line Editing and Output Control
Page 23 and 24: 1.6 Transient Commands CP/M Operati
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Page 55 and 56: 1.8 Operation of CP/M on the MDS CP
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2.1 Introduction to ED CP/M Operati
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2.2 ED Error Conditions CP/M Operat
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2.3 Control Characters and Commands
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2.3 Control Characters and Commands
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3.1 Introduction CP/M Operating Sys
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3.2 Program Format CP/M Operating S
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3.3 Forming the Operand CP/M Operat
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3.4 Assembler Directives CP/M Opera
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3.5 Operation Codes CP/M Operating
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3.7 A Sample Session CP/M Operating
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Following the sign-on message, DDT
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4.2 DDT Commands CP/M Operating Sys
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4.4 A Sample Program CP/M Operating
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5.2 Call Conventions CP/M Operating
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5.3 A Sample Copy Program CP/M Oper
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5.3 A Sample Copy Program CP/M Oper
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5.4 A Sample File Dump Utility CP/M
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5.5 A Sample Random Access Program
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5.5 System Function Summary CP/M Op
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6.2 First-level Regeneration CP/M O
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6.2 First-level Regeneration CP/M O
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6.3 Second-level Regeneration CP/M
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6.3 Second-level Regeneration CP/M
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6.4 Sample GETSYS and PUTSYS CP/M O
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6.5 Disk Organization CP/M Operatin
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6.6 BIOS Entry Points CP/M Operatin
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6.7 A Sample BIOS CP/M Operating Sy
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6.9 Reserved Locations in Page Zero
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6.10 Disk Parameter Tables CP/M Ope
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6.11 The DISKDEF Macro Library CP/M
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Appendix A : The MDS-800 BIOS CP/M
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Appendix B : A Sekletal CBIOS CP/M
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Appendix C : A Skeletal GETSYS/PUTS
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Appendix D : MDS-800 Cold Start Loa
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Appendix D : MDS-800 Cold Start Loa
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Appendix E : A Skeletal Cold Start
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Appendix F : CP/M Disk Definition L
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Appendix G : Blocking and Deblockin
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Appendix H : Glossary CP/M Operatin
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Appendix I : CP/M Error Messages CP
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Index CP/M Operating System Manual
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Index CP/M Operating System Manual
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