3
MS-DOS
: MS-DOS .
1. : RAB myfile.txt, .
2. .
3. .
4. , , <.
5. , .
6. ,
$t$h$h$h$h$h$p$g.;
$n$s$v$l
$d$g$h$b$h$g
7. :
Set 87 = N
Set CHIFILES = C:\CHI
Set LIB = C:\msc; C:\FORTRAN
Set 87
8. .
9. , .
10. , :
1. a.txt , , 13
2. b.doc bl.txt, b2.doc,b3.bas, b4.pas
3. b4.pas a.txt cc.doc
4. 1
11. , T2 (. ) a.txt, , , , .
DOS , (environment), , . - = , - - , , - . , , , , .
DOS Set.
Set "- = " . - , . - , , , , .
, , .
AUTOEXEC.AT
/ Shell CONFIG.SYS.
BATCH , ( ).
- , MS DOS.
command.com. : CTRL+C, CTRL+Break.
copy con.
