General-Purpose ZCPR3 Utilities COMMENT "Block Comment" Utility ECHO Echo Command Line ERASE Erase Files FINDF Search Disks for Files MCOPY Copy Files NOTE Comment Line PAGE Page Files to Console PRINT Print Files on Printer PROTECT Set File Protection RENAME Rename Files SAK Alarm and Command Line Abort UNERASE Unerase Files WHEEL Set/Reset Wheel Byte :General-Purpose ZCPR3 Utilities Thió   seô  oæ  utilitieó  consistó  oæ  thå  followinç general-purpose programs: Command Function COMMENT Type comment lines ECHO Echo command line tail to CON: or LST: ERASE Erase files FINDF Find files MCOPY Copy files NOTE Comment line PAGE Enhanced TYPE of a file to CON: PRINT Print a file to LST: PROTECT Set protection attributes on files RENAME Rename files SAK Interrupt command processing TINIT Program TVI 950 CRT UNERASE Unerase files WHEEL Set user priveleges Somå  oæ  theså commandó providå functionó  similaò  tï thoså  provideä iî thå ZCPR³ Commanä Processoò anä  Residenô Commanä  Packages®  Thå  followinç tablå  summarizeó  theså relateä commandsº  Thå residenô commandó SAVE¬  JUMP¬  GET¬ anä  GÏ  havå  nï  counterpartó  bù  thå  naturå  oæ   theiò functions. Resident Transient Additional Functions DIR XDIR Sorts Display, Prints File Sizes, Negative XD Selection, Disk Output, Printer Output, DIR File Scan Function ERA ERASE File List, Inspect Mode, Can Erase R/O Files, File Protection REN RENAME File List, Inspect Mode, Wild Cards Permitted, Control Mode, File Protection TYPE PAGE File List, Screen Wrap, Speed Change LIST PRINT File List, Headings, Page Numbering, Time Stamp, Paging, Skip to Specified Page CP MCOPY File List, AFNs, Verify, Inspect Alì  oæ thå transientó discusseä herå whicè accepô botè filå  nameó anä optionó aó argumentó wilì noô accepô á  filå namå  beginninç witè á slash®  Thió ió á trade-ofæ  ..®  iô shoulä  bå  easù tï omiô thå filå namå (assuminç  alì  fileó selected© anä jumð righô tï thå options®  Tï bå consistent¬ thå  slasè waó selecteä tï bå thå optioî delimiteò  wheî  nï filå nameó werå tï bå specified. Aó  á generaì rulå foò alì ZCPR³ transients¬  iæ á filå namå ió omitted¬ theî thå ¯ characteò musô proceeä thå firsô option®  Aî invaliä optioî invokeó á built-iî Helð facilitù withiî  alì  oæ thå transients¬  anä ¯ ió  neveò  aî  optioî character: command filename.typ o... <-- form with file spec command /o... <-- form without file spec command // <-- always gives help Manù  transientó supporô filå listó wherå á singlå filå namå waó giveî before® Iî theså cases¬ thå useò caî specifù á  lisô oæ filå specó separateä bù commaó iî thå  filå  namå position: command dir:f1.typ,dir:f2.typ,... o... Iî general¬  anù timå thaô thå dº  prefiø coulä bå useä undeò  CP/M¬  thå  DUº  oò  DIRº  prefixeó caî  bå  useä  iî conjunctioî   witè  ZCPR³  utilities®   Onlù  onå  oò   twï exceptionó  exisô  foò thió rule¬  anä  theù  arå  logicallù noted. :The COMMENT Command Command: COMMENT 2.0 Syntax: COMMENT Function: COMMENÔ ió allowó thå useò tï typå aó manù lineó aó  hå wisheó  withouô  theí beinç processeä bù ZCPR3®  Iô haó  nï arguments. Iæ thå useò strikeó á ^P¬ alì subsequenô lineó hå typeó will be printed on the printer. Options: None Comments: COMMENÔ   haó  twï  maiî  applicationó  iî  thå   ZCPR³ environment: 1®  Wheî  thå consolå displayó arå  beinç  recorded¬ COMMENÔ  allowó thå useò tï easilù typå noteó tï thå  futurå readeò  withouô havinç tï begiî lineó witè á semicoloî  (;)» alì  oæ  theså lineó arå clearlù showî tï bå commentó  sincå theù begiî witè thå prompô "Comment>". 2®  Wheî consolå I/Ï ió redirecteä tï twï  differenô users¬  sucè aó CRÔ anä MODEÍ I/Ï iî parallel¬  theî COMMENÔ maù  bå  useä  tï  providå á simplå mechanisí  foò  theí  tï communicate»  botè  useró  caî typå tï  eacè  otheò  withouô havinç   anù   effecô  oî  thå  systeí  (sucè   aó   commanä processing). COMMENÔ  ió  aborteä  bù  strikinç á ^à aó  thå  firsô characteò  oæ á line®  Backspacå anä Deletå botè  servå  tï echï  aó Backspace¬  space¬  backspace¬  anä ^Ø anä ^Õ  botè eraså thå currenô line® ^Ð toggleó printing. Iæ COMMENÔ ió tï bå useä tï chaô betweeî twï users¬  iô ió  recommendeä  thaô aî over/ouô protocoì bå  employeä  (aó recommendeä  witè  thå UNIØ  [trademark¬  Belì  LabsÝ  WRITÅ program)®   Thå  firsô  useò  types¬  and¬  wheî  finished¬ terminateó  witè thå letteò "o¢ foò over®  Thå seconä  useò typeó  anä signaló completioî thå samå way®  Completioî  oæ thå conversatioî maù bå signalleä bù "o+o¢ foò oveò anä out. Selected Error Messages: COMMENT generates no error messages. Examples of Use: Comment> Hi, Charlie, how's it going? o Comment> Hi, Rick, fine ... and you? o Comment> Fine, Charlie Comment> Here is how I use XDIR -- let me do the typing Comment¾ froí no÷ on» jusô watch¬ anä I'lì reenteò COMMENT Comment> when done ... here goes o+o :The ECHO Command Command: ECHO 1.0 Syntax: ECHO text Function: ECHÏ  echoeó thå texô whicè followó iô tï thå  CONº  oò LSTº devices® Iæ thå firsô non-blanë characteò oæ thió texô is a '$', then ECHO sends its output to the LST: device. Options: None Comments: The purpose of ECHO is two-fold: 1® tï providå á convenienô waù tï senä messageó tï thå  consolå  durinç  thå  executioî oæ á  commanä  filå  oò command line; for example: ECHO Assembling;ASM myfile.BBZ;ECHO Loading;LOAD myfile aó á singlå multiplå commanä linå wilì prinô thå informativå messageó  "ASSEMBLING¢ anä "LINKING¢ durinç  thå  respectivå commands 2®  tï  providå  á convenienô waù tï senä  escapå sequenceó  tï  thå CRÔ oò printer»  ECHÏ doeó  nï  characteò translation¬  usinç direcô BIOÓ calls¬  sï sequenceó useä tï prograí  intelligenô deviceó caî bå issueä bù  runninç  echï and typing in those sequences; for example: ECHO ^Z coulä  cleaò thå CRÔ screeî iæ ^Z cleareä thå screeî oî  thå user's terminal and ECHO $^L wilì forí feeä thå printeò (assuminç thå printeò respondó tï the form feed character) NOTEº   sincå   thå  commanä  inpuô  linå   editoò capitalizeó   thå   commanä  lines¬   anù   characteró   arå automaticallù capitalizeä wheî echoed Selected Error Messages: ECHO generates no error messages Examples of Use: ECHO hello, world -- send text "HELLO, WORLD" to console :The ERASE Command Command: ERASE 5.0 Syntax: ERASE dir:afn1,dir:afn2,... o... Function: ERASÅ eraseó fileó iî thå filå list®  Onlù  non-systeí fileó arå selecteä bù default¬ buô thå Ó optioî allowó ERASÅ to select System files as well. Options: S -- Include System Files; if S is not present, then ERASE does not "see" System Files R -- Erase Read/Only Files without asking the user for permission; if ERASE encounters a Read/Only file whilå iô ió performinç itó functioî without the R optioî enabled¬ iô wilì asë thå useò iæ hå wants to erase the file before it does so; with the R option, ERASE goes ahead and erases the file I -- Inspect; ERASE can be instructed to display each filå tï thå useò anä asë permissioî beforå the file is erased; if the user gives permission and ERASE discovers that the file is R/O with the R option off, it will ask a second time before going ahead Comments: None Selected Error Messages: Self-Explanatory Examples of Use: ERASE text:*.txt,asm:*.tmp -- erase the *.TXT files in TEXT: directory and *.TMP files in ASM: directory ERASE *.* I -- erase *.* in the current directory with inspection :The FINDF Command Command: FINDF 2.0 Syntax: FINDF afn1,afn2,... o Function: FINDÆ  searcheó througè alì oæ thå knowî diskó anä useò areaó  foò  anä  fileó matchinç anù oæ  thå  indicateä  filå specifications. Options: S - Include System Files Comments: FINDÆ  wilì onlù searcè foò Non-Systeí fileó unlesó thå Ó  optioî  ió includeä iî thå commanä line¬  aô  whicè  timå FINDÆ wilì searcè foò botè Systeí anä Non-Systeí files. Thå  searcè  beginó aô disë Á anä extendó  untiì  FINDÆ encounteró  thå  lasô possiblå disë oò á disë whicè  ió  noô loaded. All user areas (0 to 31) are examined. FINDÆ displayó thå nameó oæ thå fileó found¬ groupeä bù disk and user area. Selected Error Messages: Self-Explanatory Examples of Use: FINDF xdir.com s -- search all files (both System and Non-System) for XDIR.COM FINDF xd.com,help.hlp,myfile.txt -- searcè alì Non-Systeí fileó foò XD.COM, HELP.HLP, and MYFILE.TXT :The MCOPY Command Command: MCOPY 4.0 Syntax: MCOPY dir:=dir:afn1,afn2,dir:=dir:afn3,... o... Function: MCOPÙ  ió  á filå copù prograí designeä foò  uså  undeò ZCPR3®  Iô  supportó manù featureó relateä specificallù  tï thå ZCPR³ Systeí anä ió verù intimatelù tieä intï thå  ZCPR³ System. Thå  basiã  purposå oæ MCOPÙ ió tï copù fileó froí  onå directorù (disk/useò area© tï anotheò undeò ZCPR3. MCOPÙ onlù copieó files»  MCOPÙ DOEÓ NOÔ RENAMÅ  FILES® Thió  ió  á majoò differencå foò thoså useä tï  PIP®  MCOPÙ text:f1.txt=f2.txô jusô copieó F2.TXÔ intï TEXTº  directory¬ buô iô ió stilì nameä F2.TXÔ (F1.TXÔ ió ignored). Options: E -- Test for Existence of File on Destination and User Approves Copy before Copy is Done I -- User Approves Each File before Copy Begins M -- Multiple Copy (Repeat) Facility This allows the user to backup several files to several disks by copying all the specified files, prompting the user for a new disk, and then copying the files again, continuing until the user tells MCOPY to stop Q -- Quiet Operation (No Activity Displays) V -- Verify Copies Thå Å optioî (Existencå Test© lookó oî thå  destinatioî directorù  tï seå iæ thå filå iô ió abouô tï copù ió alreadù there®  Iô theî telló thå useò oæ itó findingó anä askó hií iæ hå wantó tï gï aheaä witè thå copy®  Thå useò maù  elecô tï copù oò noô copù aó hå desires. Thå  É optioî (Inspect© displayó alì fileó whicè  matcè thå  indicateä  sourcå fileó tï thå user¬  allowinç  hií  tï selecô  whicè  fileó hå wantó tï copy®  Iô theî copieó  thå selecteä files®  MCOPÙ performó thió operatioî foò eacè seô oæ fileó iî thå commanä linå (separateä bù commas). Thå Í optioî (Multiplå Copy© pauseó beforå startinç thå copy¬  allowinç thå useò tï aborô thå procedurå oò inserô  á disë intï thå source¬  thå destination¬ oò botè anä instrucô MCOPÙ tï proceed® Afteò copyinç alì oæ thå indicateä files¬ MCOPÙ  theî pauseó again¬  allowinç thå useò tï agaiî changå disks® Thió continueó untiì thå useò abortó thå procedure. Thå  Ñ  optioî  (Quiet© turnó ofæ  thå  MCOPÙ  activitù display®  Iî normaì operation¬  MCOPÙ ió constantlù tellinç thå useò whaô iô ió doing®  É feeì thaô thió ió betteò thaî quietlù  havinç  problemó withouô thå useò knowinç  whaô  ió goinç on®  MCOPÙ payó attentioî tï thå QUIEÔ flaç oæ ZCPR3¬ and the initial mode of MCOPY is set by this flag. Thå Ö optioî (Verify© ió useä tï checë thå copieä  filå tï insurå thaô thå copù ió good®  Witè thió optioî engaged¬ MCOPÙ  computeó  á CRà valuå oæ thå sourcå filå aó iô  readó it®  Wheî  MCOPÙ  haó  completeä thå  copy¬  iô  readó  thå destinatioî filå back¬  computinç itó CRà value¬  and¬  wheî complete¬  iô compareó thå twï CRà values¬  tellinç thå useò iæ aî erroò iî thå copù occurreä (i.e.¬ differenô CRà valueó resulted). Comments: MCOPÙ  ió alsï intendeä tï bå useä foò backuð purposes® Iô  haó thå abilitù tï repeatedlù copù á seô oæ  fileó  froí onå  directorù tï another¬  pausinç betweeî successivå  copù passeó tï allo÷ thå useò tï changå disks®  Á keù tï thå uså oæ MCOPÙ iî generaì ió thaô oncå MCOPÙ haó beguî operations¬ thå  useò  neeä neveò concerî himselæ witè Warí Bootinç  thå systeí afteò changinç disks» MCOPÙ ió doinç thaô foò him. Iæ  á  destinatioî directorù ió  noô  specified¬  MCOPÙ lookó  foò  á directorù nameä BACKUPº  anä  copieó  tï  thió directorù iæ found® Iæ therå ió nï directorù nameä BACKUP:¬ MCOPÙ  wilì  copù  tï B0º  (thió caî bå changeä  bù  DDÔ  oò reassembly). Iî copyinç á filå froí onå directorù tï another¬  MCOPÙ performó thå followinç steps: 1®  Iô  logó intï thå sourcå directorù anä  scanó foò thå fileó specifieä bù thå user 2®   Iô  logó  intï  thå  destinatioî  directory¬ determineó  iæ á copù oæ thå filå existó oî thå  destinatioî anä deleteó iô iæ iô does 3®  MCOPÙ copieó thå filå iî thå sourcå directorù intï thå destinatioî directory 4®  MCOPÙ setó thå attributeó oæ thå filå iî  thå destinatioî  directorù tï bå thå samå aó thoså iî thå sourcå directory 5®  MCOPÙ optionallù verifieó botè fileó bù meanó oæ á CRà Check Selected Error Messages: "NÏ Fileó -- ^à tï Abort¢ meanó thaô nï fileó  matchinç the indicated file spec were found. "TPÁ  Ovfl¢ meanó thaô therå waó noô enougè rooí iî thå Transient Program Area to support MCOPY. "Disë  Full¢  meanó thaô therå ió nï morå rooí  oî  thå destination disk for the files. Examples of Use: MCOPY FILE1.*,HELP:FILE2.HLP,TEMP:=TEST.TXT,HI.* Fileó  matchinç  FILE1.ª iî thå currenô  directorù  arå copieä tï BACKUP:¬  thå filå FILE2.HLÐ iî directorù HELР ió copieä  tï  BACKUP:¬   thå  filå  TEST.TXÔ  iî  thå  currenô directorù ió copieä tï TEMP:¬ anä thå fileó matchinç HI.ª iî thå currenô directorù arå copieä tï TEMP:. Oncå á DIR:½ ió encountered¬ thå defaulô destinatioî ió redefined®  Encounterinç á differencå source¬ however¬ doeó noô changå whaô thå defaulô sourcå directorù is. :The NOTE Command Command: NOTE 1.0 Syntax: NOTE text Function: NOTÅ ió á do-nothinç commanä - iô implementó á comment® No operation is performed at all. Options: None Comments: Anù  linå  beginninç witè á semicoloî (;© ió á  commenô line®  Witè  multiplå commanä lines¬  however¬  iô  ió  noô possiblå  tï  embeä  á  commenô  phraså  iî  thå  middlå  oò beginninç  oæ  á  commanä linå withouô á nulì  routinå  likå NOTE. NOTE was created to: allow comments to be embedded in command lines provide a comment that stands out from the simple semicolon line Selected Error Messages: None Examples of Use: NOTE this is a comment :The PAGE Command Command: PAGE 2.0 Syntax: PAGE dir:afn1,dir:afn2,... o... Function: Thå  PAGÅ commanä ió useä tï lisô fileó oî thå console® Iô offeró advantageó oveò TYPÅ iî thaô PAGÅ knowó thå  widtè oæ  thå  screeî  anä  handleó wraparounä  (whicè  ió  á  biç complainô  witè  TYPÅ  wheî tryinç tï  pagå  througè  "wide¢ listingó  likå thaô produceä bù thå assemblers)®  PAGÅ alsï acceptó á filå list. Options: 0-9 - Set Character Print Speed Delay I - Inspect files L - Number lines P - Disable pause at end of screen Sn - Skip to page n and then begin Comments: Whilå á filå ió beinç pageä tï thå user¬  thå useò  caî strikå  onå  oæ thå digitó tï varù thå speeä oæ  thå  outpuô dynamically®  ° ió thå fastest¬  ¹ ió thå slowest® Iî thió way¬  thå  useò caî easilù scaî á filå bù runninç PAGÅ  witè thå Ð optioî (sï iô doeó noô stoð wheî thå screeî ió filled© anä  strikinç  á  digiô froí timå tï timå tï speeä  uð  oveò sectionó  hå isn'ô interesteä iî anä slo÷ dowî foò  sectionó hå is. Whilå thå outpuô ió beinç directeä tï thå screen¬  PAGÅ supportó  thå followinç single-characteò commandó tï  changå thå outpuô displaù iî onå waù oò another: 0 to 9 - change speed (0=slowest, 9=fastest) P or p - toggle pause when screen fills (the user can dynamically turn on and off the ability to delay when a screen fills) ^X - skip to next file ^C - abort to operating system ^S - pause output; any key will resume, and all of these commands (except ^S) will work PAGÅ  ió  constantlù acceptinç useò  input¬  anä  theså commandó arå iî effecô alì oæ thå time®  Thió includeó  thå timå  wheî  PAGÅ  haó pauseä afteò fillinç thå  screeî  (itó default)¬  sï thå useò caî turî ofæ paginç oò varù thå speeä aô thió time¬  iæ sï desired®  Anù otheò characteò wilì  bå ignored. Selected Error Messages: Self-Explanatory Examples of Use: PAGE *.txt p8 -- page all *.TXT files, and begin with paging off (don't pause at the end of the screen) and speed set to 8 PAGE myfile.txt s5 -- page MYFILE.TXT, starting at page 5 :The PRINT Command Command: PRINT 2.0 Syntax: PRINT dir:afn1,dir:afn2,... o... Function: Thå  PRINÔ commanä ió useä tï prinô á filå oî thå  LSTº device¬  likå LISÔ does¬  buô offeró manù morå options®  Iô wilì  prinô  á heading¬  pagå thå file¬  numbeò  thå  pages¬ numbeò thå lines¬ placå á date/timå stamð oî thå output¬ puô thå filå namå oî thå output¬ anä others. Options: E - Exact Print (Expand Tabs, Form Feed, No Line or Page Numbers, No Heading) F - Toggle default of file name display on page header (defaulô ió ON¬ so Æ turnó ofæ name display) Htext - Define Heading text to appear at the top of each page I - Inspect Files (allow user to select files before printing begins) L - Enable numbering of each line M - Disable Multiple Run Flag (if multiple run is ON, then no "Set Top of Form" message appears for each file and PRINT moves from one file to another unattended); default is with Multiple Run ON N - Disable numbering of each page On - Offset each line Move each line in the indicated number of chars from the left of the page Sn - Start printing on page n T - Toggle date/time stamp in the header of each page (a TIME subroutine must be assembled into PRINT to enable the date/time stamp feature) Comments: Thå  specifiã  featureó oæ thå printeò arå seô  bù  thå ZCPR³  Environmenô  Descriptor®  Sucè featureó includå  thå numbeò oæ physicaì lineó oî á page¬  thå numbeò oæ lineó  oæ texô  oî  á page¬  thå widtè oæ á linå  iî  characters¬  anä whetheò  thå printeò caî forí feeä oò not®  Thå Environmenô Descriptoò containó optionó foò fouò printers¬ anä thå CPSEÌ utilitù caî bå useä tï selecô thå desireä seô oæ attributes. Thå date/timå stamð featurå ió verù  machine-dependent¬ anä PRINÔ haó tï bå reassembleä tï supporô it. While PRINT is running, the following commands work: ^C Abort and return to operating system ^X Skip to top of next page and skip to next file Selected Error Messages: Self-Explanatory Examples of Use: PRINT text:*.txt,*.txt o10n -- print all *.TXT files in the TEXT: directory and in the current directory; offset all lines by 10 columns, and do not number pages PRINT myfile.txt s25 -- print MYFILE.TXT starting at page 25 :The PROTECT Command Command: PROTECT 3.0 Syntax: PROTECT dir:afn1,dir:afn2,... keys o... Function: Thå   PROTECÔ   commanä  replaceó  thå  attributå   seô capabilitieó   oæ   thå  STAÔ  transienô   anä   addó   morå flexibility®  PROTECÔ  ió  designeä  tï allo÷ thå  useò  tï specifù thå attributeó (Read/Only¬  System¬ anä Archive© anä taç bitó (thå Mosô Significanô Bitó oæ thå eighô  characteró iî á filå name© oæ á filå oò seô oæ files. PROTECT always "sees" both System and Non-System files. Options: Thå  KEYÓ arå thå attributeó selected®  Thå  followinç keys are allowed: R¬ S¬ Á -- Enablå Read/Only¬ System¬ anä Archive n, 1 <= n <= 8 -- Set Tag Bits The following options are also available: I -- Inspect C -- Control Inspecô  Modå  allowó  thå useò tï looë  aô  eacè  filå beforå iô ió "protected¢ anä permiô oò disallo÷ thå functioî tï bå performeä oî á case-by-caså basis. Controì  Modå  allowó thå useò tï seå thå namå oæ  eacè filå selecteä anä manuallù seô itó attributeó anä taç  bits® Iî responså tï thå Controì Modå prompt¬ thå useò caî typå iî anù combinatioî oæ thå letteró A¬  R¬  S¬ anä thå digitó 1-¸ (the KEYS). Comments: None Selected Error Messages: Self-Explanatory Examples of Use: PROTECT A4:*.COM,ROOT:*.COM RSI Set the Attributes of all COM files in directories A4 and ROOT to Read/Only and System. Turn off the Archive attribute and all tag bits. Allow the user to inspect each file before the operation is performed. PROTECT ROOT:*.TXT Clear all attributes and all tag bits of all files of type TXT in the directory named ROOT PROTECT A: C Allow the user to manually set all attributes and tag bits of all files on Disk A in the current user :The RENAME Command Command: RENAME 3.0 Syntax: RENAME dir:afn1=afno1,dir:afn2=afno2,... o... Function: RENAMÅ ió useä tï changå thå namå oæ onå oò morå files® Ambiguous file names and inspection are permitted. Options: C - Control Mode; manually specify each file name I - Inspect and approve each rename S - Include System files Comments: Thå  RENAMÅ  commanä ió á brotheò tï thå  REΠ residenô command® Therå arå manù majoò differences¬ however: . RENAMÅ allowó  ambiguouó filå nameó tï thå used . RENAMÅ supports an Inspect Mode, where the user is presented with each name change and allowed to approve of it before it is done . RENAME supports a Control Mode, where the user is presented with each file to be RENAMEd and allowed to manually enter the new name or not rename the file . RENAME accepts a list of files . RENAME does not "see" System files unless told to . RENAME can rename Read/Only files . RENAME sets the attibutes (R/O and SYS) of the new file names to be the same as those on the old file names Selected Error Messages: Self-Explanatory Examples of Use: RENAME *.txt C -- rename all *.TXT files to something else; display the file name to the user and allow him to manually enter the new name RENAME asm:*.mac=*.asm -- rename all *.ASM files to *.MAC :The SAK Command Command: SAK 2.0 Syntax: SAK o... Function: SAË  (Strikå  Anù  Key© waó designeä  tï  providå  somå simplå  utilitù functions¬  onå oæ whicè ió associateä  witè thå Multiplå Commanä Linå featurå oæ ZCPR3® Iô waó designeä foò thå followinç purposes: 1. to allow the user to program a wait in a multiple command line until he instructs the system to continue 2. to allow the user to abort a multiple command line 3. to allow the user to program an interruptable delay in the execution of a multiple command line 4. to provide a simple alarm for the user Options: A - DO NOT allow the user to abort the command line B - Ring the bell at the user's terminal occasionally Pn - Pause n seconds and continue if no response by that time Comments: Witè NÏ options¬  SAË waitó foò useò input¬  anä iæ thå useò strikeó á ^C¬ theî thå multiplå commanä linå ió aborteä anä controì ió returneä tï thå user. SAË  ió  particularlù  usefuì iæ  thå  useò  wisheó  tï interjecô  á delaù iî á multiplå commanä linå generateä bù á Menu®  Onå sucè applicatioî waó tï displaù thå timå tï  thå user¬  calì hió attentioî tï iô (viá ECHO)¬ givå hií á delaù (viá  SAK)¬  anä  theî invokå dBASÅ IÉ witè aî  initializinç commanä file. Selected Error Messages: Self-Explanatory Examples of Use: SAK BP10 -- ring the bell occasionally and pause for 10 seconds; if the user does not strike a a command by that time (^C to abort), then resume command line execution with the next command :The UNERASE Command Command: UNERASE 1.0 Syntax: UNERASE afn1,afn2,... o... Function: UNERASÅ  recoveró  fileó  whicè  havå  beeî  previouslù eraseä iæ iô ió possiblå tï dï so® Aó á rule¬ UNERASÅ haó á mucè  greateò  chancå oæ succesó iæ iô ió  useä  immediatelù after the files were erased. Options: L - List Erased Files Only (do not attempt recovery) P - Pause for Disk Change and then try Z - Place Recovered Files in User Area 0 (default is current user area) Comments: Wheî  ZCPR³ (anä CP/M© eraseó á file¬  thå  informatioî containeä  iî thå filå anä thå directorù referencå  tï  thaô informatioî  ió  noô  deleteä  immediately®   Instead¬  thå directorù  entrù  ió simplù markeä aó beinç deleted®  Aó  á result¬  bù  changinç  thió deletå marë  bacë  tï  somethinç normal (which is a user number), the file is recovered. Afteò  á filå haó beeî deleted¬  twï eventó caî  happeî whicè caî risë thå successfuì recoverù oæ thå file®  Onå ió thaô  ne÷ directorù entrieó caî bå madå intï thå  directory¬ anä  onå oò morå oæ theså maù overwritå thå entrù whicè  waó madå  foò thå filå tï bå recovered®  Thå otheò ió thaô  thå spacå  takeî  oî  disë  bù thå filå maù  bå  overwritteî  bù another file. Eacè  oæ  theså eventó ió possiblå wheî ne÷  fileó  arå created®  Foò  thió reason¬  UNERASÅ caî bå useä witè  somå degreå  oæ succesó onlù iæ nï fileó werå createä  afteò  thå files to be recovered were erased. UNERASÅ  ió noô alwayó successful¬  however®  If¬  foò instance, the following events took place: 1. the files MYFILE.TXT, HISFILE.TXT, and T.TXT were created and then erased 2. a new file T.TXT was created and then erased 3. UNERASE T.TXT was issued - it is possible that both previous T.TXT files would be recovered, and a "weird" dual file named T.TXT would be in your directory UNERASÅ printó thå nameó oæ thå fileó iô ió recovering¬ and¬ iæ á namå appearó twï oò morå times¬ theî theså earlieò fileó  oæ  thå  samå  namå  arå  beinç   recovered®   Thoså experienceä  witè DU2/DU³ caî probablù correcô thå situatioî anä  recoveò thå correcô file®  Otheró wilì simplù  havå  á corrupteä  directorù  whicè caî onlù bå restoreä bù  erasinç T.TXT, thereby loosing both files again. Selected Error Messages: Self-Explanatory Examples of Use: UNERASE myfile.txt,hisfile.txt -- try to recover MYFILE.TXT and HISFILE.TXT UNERASE myfile.txt Z -- trù tï recoveò MYFILE.TXÔ anä placå iô iî Useò 0 UNERASE myfile.txt L -- see if MYFILE.TXT can be recovered (duplicates may also appear in this way) :The WHEEL Command Command: WHEEL 3.0 Syntax: WHEEL password S or WHEEL password <-- Set Wheel Byte or WHEEL password R <-- Reset Wheel Byte or WHEEL /S or WHEEL /R <-- Enter Password without echo Function: Thå WHEEÌ commanä ió useä tï enablå anä disablå certaiî privelegeä commandó anä commanä features®  Iô doeó thió  bù setting and resetting the Wheel Byte. Options: Shown above Comments: Thå  Wheeì  Passworä ió hard-codeä intï  thå  WHEEL.COÍ file. It may be changed by DDT or reassembly. WHEEÌ haó aî RCÐ counterpart¬ WHL¬ whicè maù alsï bå iî effect. WHEEL and WHL can respond to different passwords. Selected Error Messages: "Invaliä  Password¢  meanó thaô thå giveî passworä  waó not correct. Examples of Use: WHEEL mypass -- seô Wheeì Bytå iæ MYPASÓ ió thå correcô password