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