????????? ??????? UNIX (z/OS UNIX) - PowerPoint PPT Presentation

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????????? ??????? UNIX (z/OS UNIX)

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Title: ????????? ??????? UNIX (z/OS UNIX)


1
????????? ??????? UNIX (z/OS UNIX)
  • ?????? 3, ????? 2
  • ???? ??????????? ????

2
????????
  • ????????? ??????? UNIX - ????????? z/OS (?????
    ????), ??? RACF, WLM, SMF ? ??.
  • ????????? POSIX
  • ????????? XPG 4.2 (X/Open Portability Guide)
  • ??? ???????? ????????? ??????????
  • ????????? ????????? ??????? (API)
  • ????????????? ????????? ???????????? (shell)
  • ????????? HFS (??? ????? UNIX ? HFS ???????
    ??????).

3
????????? ??????? Unix
XPG4
XPG4.2
POSIX
Full UNIX Branding
MVS/ESA 4.3 and 5.1
MVS/ESA 5.2.2 and OS/390 R1
OS/390 R2
1993
1996
? z/OS Unix ??????????? ??? ???????? ?????????
??????????
  • ????????? ????????? ??????? API
  • ????????????? ????????? ????????????.

4
?????????? z/OS UNIX
  • ???? z/OS UNIX ? ??????? ??????????? ?????????
    BCP z/OS (API UNIX)
  • ?????????? ??????????,
  • ???????? ???????? HFS ?
  • ??????????????
  • ?????????????? ??? ???????? z/OS ? ???????? ?
    ??????????? ???????? ???????????? MVS.
  • ?????????? ??????? z/OS UNIX
  • ????????? ????????????? shell,
  • ????? ??????????? ?????? ?
  • ???????? dbx
  • ????????? ????????????? ???????????? ???????????
    ???????????????? ????????? shell.

5
?????????? z/OS UNIX
6
???????? ?????????? ?????????? UNIX ? z/OS
  • ??????? ?????? ???????
  • ???????? ??????????? ? ???????? ????????????? MVS
  • fork() - ????? ???????? ????????????, ??????????
    ?????? ?????????????.
  • spawn()
  • ????? ???????? ???????????? ????
  • ???????? ????? ?????? ?????? ????????????? ?S.

7
???????? ? z/OS UNIX
ASID425
ASID218
PID60 PPID35
PID42 PPID18
PID73 PPID60
PID81 PPID73
ASID256
ASID671
PID57 PPID42
PID96 PPID73
8
???????? ?????? ???????? ? z/OS UNX
Parent Process
SYS1.PROCLIB
Child Process
ASID428
ASID547
BPXAS
prog1
prog1
............ fork().... ............
............ fork().... ............
WLM
z/OS UNIX Kernel
ASID1012
prog2
ASID1423
................ spawn(prog3) spawn(prog4)
prog3
................ ................ ................
prog4
................ ................ ................
9
???????? ????????? ?????????? ?????????? UNIX
10
??????????? ???????? ??????? HFS
  • ????? ?????????????????? ???? ??? ??????? ??
    ?????????? ??????.
  • ???? ??????
  • ??????? - ????? ?????? ??????????, ????????????
    ??? ???????? ???????? ? ?????? ?????? ????
  • ???????? - ?????? ??? ?????????? ??????????
    ?????????? ? ?????????? ??????, ?????????????
    ??????? ????????
  • ?????????? - ????????????? ? ????????????
    ?????-??????
  • ????????????? ?????? - ???????? ?????? ?? ??????
    ?????
  • ??????????? ?????? - ?????? ??? ?????? ???????
    ????? ??????????
  • ?????? - ?????? ??? ?????????? ????????
    ??????????????.
  • ????? ???????????? ? ????????, ???????
    ????????????? ?????????. ?????? ???????? ??????
    (root).

11
???????? ??????? HFS
Directory
Directory
Directory
Directory
Directory
Directory
File
File
File
File
File
File
File
File
File
File
12
????????? ???????? ??????? UNIX
/u/user2/prg
/u/user1/docs/abc
13
?????????? ???????? ??????? UNIX ? z/OS
14
???????????????? ????????? z/OS UNIX
z/OS UNIX shell
Shell users
stdin
Shell commands and utilities
stdout
stderr
HFS
Hierarchical file system
15
?????? ??????? ????????????? ? z/OS UNIX
16
?????? ????? TN3270
  • ??????? OMVS
  • ????????? ?????? shell
  • ????????? ?????? TSO
  • ????????? ?????? shell ??? ???????????
    (???????????) ?????? ????? ??????? HFS ? ????????
    ?????? MVS
  • ????????????? ?????????? ????????? ISPF
  • ????????? ?????????? ???????????? ??????.
  • ??????? ISHELL (?? ???? ISPF shell) - ?????? ?
    ???????? ??????? z/OS UNIX
  • ??????? OSHELL (?????? REXX) - ?????? ??????????
    UNIX ?? ????????? ?????? TSO/E.
  • ????? ??????????? ?????? TSO/E ??? ?????? ?
    ??????? UNIX ? ??????????? (???????????) ??????
    ????? ??????? HFS ? ???????? ?????? MVS (MKDIR,
    OGET, OPUT ? ?.?.).
  • ??????? BPXBATCH - ????????????? ??? ???????
    ??????, ???????? ? ?????????? UNIX ? ????????
    ????????
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