MODERN OPERAYING SYSTEM Chapter a Job Management

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MODERN OPERAYING SYSTEMChapter a Job Management
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2
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• ????????
• ????????
• ?????
• ??????
• ????????????????

3
????

• ????(OS)???????,?????????????????????
• ????????????????????????????OS????
• ????
• ???????????
• ?????????????
• ??SPOOLing???????
• ????????????????CPU??????????????????????????
• ??????????????????????????????????????

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A.1 ???????

• A.1 .1????
• 1. ??????????
• ????????????????????????????????
• ???????????,?????????????????????????????????,????
  ???????????????,??????????????????

• ? (1) ?? AgtEDLIN USER.ASM
• (2) ?? AgtMASM USER
• (3) ?? AgtLINK USER
• (4) ?? AgtUSER
• ????USER.EXE??????????

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????????
???
??/??
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Question

• ???????????????

• ???????????

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??????????

• ????????
• ???
• Grid Computing
• ????
• ??????????
• ??????
• ????????
• Question ??????????

• ?????????,??????,??????
• ???????,?????????

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2. ?????

• ????????????????,?????????
• ????
• ????(off-line job)??????,???????????????????,????
  ???????
• ????
• ????(on-line job)?????????????,??????????,???????
  ????

• Question????????????????

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A.1.2 ?????

• ???????????????(??????)??????
• ?????????????????,??
• 1)??????
• 2)????
• 3)?????????

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???????

• ???????

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A.1.3????/????

• 1.????????????????/???????????????????,?????CPU???
  ??
• 2.???????????????????????,??????????????????????
• 3.SPOOLing??????????????????????????(??)??????????
  ,??????????????????????

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SPOOLing?????

• SPOOLing???????I/O????????????????????

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A.1.4 ?????(Job Control Block)

• JCB-?????????????????,?????????????????????

• ???????????????????
• ?????????????????????
• ??????????????????? ?
• ???????????????
• ??????

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A.1.5 ????

• ????????,???????????????????????????(??CH2 2.5.2
  Scheduling in Batch Systems)

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???????????

• 1)CPU??? ?? CPU????? 40(?????)?
  90(?????)???,????I/O??????????,????????,CPU??????
  ?????
• 2)???????????CPU????????
• 3)???????????????????????????????

????
????
??????
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???????????

• ???????,??????????????????,?????????????,?????????
  ????,?????1??????????????,????????????????,??????
  ?????????????????

????
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???????????

• (1)?????(FCFS)??????????????,???????????????????
  ????,??????????????????(?)????????????,??????????(
  ?)?
• (2)?????(SJF)?????????????????????????????
• (3)???????(HRN)?????????,????????????????????????
  ?????????(?????)?????????,??????,???????????????,?
  ?????????????????,???????HRN?FCFS?SJF???,?????????
  ???????

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???????????-1

• (4)???????????????,??????????????????????????????
  ?????????????????????(?JCB?)??????????????????????
  ????????????
• ????????????????,??????????,?????????????,????????
  ????????,??????

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???????????(1)

• ??????????????????????????????????????????????????
  ????????????,?????????????????,???????????????????
  ?????????
• ???????????????????????????,????????,?????????????
  ???????????(????)???????????????
• ???????/????

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???????????(2)

• ???????????????????????????????,??????
• ???1????/????
• ?????????,??????????????,????????????????,????????
  ???????
• ??1??????????????????,?????????????
• ??2???????????????????,????????????

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???????????(3)

• ???????????????????????????????
• ??????,??????

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???????????(4)

• ??????,?????????????1,??3,??2,??4???????????,????
  ?????????????????????????,??????????????,???1???(?
  ????1????),??2???3???4????????

rp2 1??????/???? 1(10.00-8.50)/0.5
13 rp3 1??????/????
1(10.00-9.00)/0.10 110 rp4
1??????/???? 1(10.00-9.50)/0.20 12.5
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???????????(5)
rp2 1??????/???? 1(10.00-8.50)/0.5 4
rp3 1??????/???? 1(10.00-9.00)/0.10 11
rp4 1??????/???? 1(10.00-9.50)/0.20 3.5

• ????????,??3??????,?????3???????3?????????????????
  ?,??????????????????,?????????????
• ????,???????????????????,??????????????,??????????
  ???,??,??????????????????????????

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• Lesson 2

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A.2 ???????

• ??????????
• 1)??????????????,??????????,?JCL????????????,????
  ????????????,?????????????????????
• 2)???????????????????????????????
• ??,??????????????,?????????,????????????????,?????
  ???

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???JCL

• JCLJob Control Language
• ??????????,???,???????JOB?????
• ??JCL???????????????

• Release specified jobs
• Cancel a job
• Display information about a specified job
• Hold a specified job
• Purge a job
• Purge an output job
• Change a jobs scheduling priority
• Offloading work and backing up system workload
• Preserve jobs and SYSOUT across a cold start

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A.3 ??????(System Call)

• A.3.1???????
• 1.?????
• ????????????????
• ?????????????????
• ?????????????????
• 2. ???????????????????????,????????
• ????????????
• (1) ??????????
• (2) ???????????
• (3) ?????????
• (4) ????

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??????????

• ??????????,???????????????????,??????,?????????,??
  ???????????????,????????,??????????,??????
• ? ???????????
• ? ??????????????????
• ? ??????????????????

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3.????

• ??????????????????????????????????,?????????,????
  ????? ?????????????????????,???????????????????
  ??????,?????????????????????????????????
• ????????????
• (1)???????????
• (2)????????

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4.???????
?2.4 UNIX???????
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??????

• 1)?????????????
• ???????????/???
• 2)???????????????????????
• ??????????????
• 3)?????
• ??????????/????????????
• 4)?????????????
• 5)???????/???????????????
• 6)???????/??????????????

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A.3.2 ????????????

• 1.?????????
• 1)???????????????????????????
• 2)????????(????????????)???????????,??????????
  ????,???????????????????????????

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2.?????????

• (1)?????????,????????????????????????
• (2)?????????,????????????? ??,?????????????,??????
  ??????
• (3)????,???????????????????????????????????????
  

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UNIX???????

• ?UNIX?,?????trap??????,???????????????????????????
  ???
• Unix??????????????????????????????

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?2.7 ?????????
??????(??)???????
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A.4 ????(user interface)???

• ???????????????????????????????????????,?????????
  ???????????
• ??????????????????????????????
• ?????????????????????????????????????????????????
  ????????????

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A.4 ????(user interface)???

• ???????????????,???????
• (1)?????????
• (2)??????
• (3)??????
• (4)???????

• ?????????,????????????????????????????,???????????
  ??????????????????????????????????????

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A.4 ????(user interface)???

• ???????????????,???????
• (1)?????????
• (2)??????
• (3)??????
• (4)???????

• ???????????????????????????????,??????????????????
  ????????????????????????????,?????

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A.4 ????(user interface)???

• ???????????????,???????
• (1)?????????
• (2)??????
• (3)??????

• ??????????????????????,?????????????,???????????,?
  ???????????????????,???????,?????

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A.4 ????(user interface)???

• ???????????????,???????
• (1)?????????
• (2)??????
• (3)??????
• (4)???????

• ???????????????????????????,?????????????????????
  ????????????????????????????????????????

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A.4 ????(user interface)???

• ???????,???????????????????????????????,??????????
  ????????,??????????,????????,???????
• Windows,OS/2?PC???????????????????????
• X Windows?UNIX????????????????,?????UNIX?????MSDOS
  ,VMS???????????

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A.4 ????(user interface)???

• ???????
• ?????????
• ?????????????????
• ??????????
• ?????????????????????????

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Windows

• Windows?????????
• 1)OS????(KERNEL)?????????(??DLL)??????????(??MS
  DOS)
• 2)????(USER)????????,????????????????
• 3)??????(Graphic Device Interface,???GDI)????????
  ????(????),?USER??????????????????

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???????

• Apple???Macintosh?????????????????????????????????
  ???,?????????????,????????????????????????????????
  ?????,????????????????????

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• ????Windows 9x??????Windows 9x????????????????????

• ???????????,??????????????3???????????????????????
  ??????????

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A.5 ?????????

• ?????????????????????????????????????????,
• ????????????
• ?????????,?????????????
• ?????????,???????
• ????,?????????????

47
??

• ????

• ???????????????
• SPOOLing??????????
• ???????

• ??????

• ????CPU??????????????????????????
• ?????????
• ?????
• ?????
• ???????
• ????

• ?????????