. - DOS - . . , - , . . , - . - , 6. , - , - : -> -> -19-10- , - . ( " ").   , , , - , . , , . "" . - , - . . - , " ". - (-- ) . (- , .) lp0: mknod/dev/lp0p c 6 64 chown bin/dev/lp0p chgrp bin/dev/lp0p chmod 222/dev/lp0p -19-11- lp1 mknod/dev/lp1p c 6 65 chown bin/dev/lp1p chgrp bin/dev/lp1p chmod 222/dev/lp1p lp2 mknod/dev/lp2p c 6 66 chown bin/dev/lp2p chgrp bin/dev/lp2p chmod 222/dev/lp2p , mkdev lp . - . , - , - . : /dev/lp0p, /dev/lplp /dev/lp2p. -19-12-   , , . , , , , , , . , - : sysadmsh : -> 1. , . 2. . 3. : ps -a <RETURN>. - PID. - PID . 4. : kill pid <RETURN>. PID . . - , : kill -9 PID <RETURN>. , , . , - , " - . -19-13-   - : " , " , , , - - . , - sysadmsh(ADM) , : -> -> " " " ". , , : " - ". , , . , - , sysadmsh: -> -> : " " - " ". "/- ", " ". -19-14-   . , . - , , " , " ". -19-15-   " - " , - . , - , . , - , " ", " ". - , - . - /tcb/audittmp/audit*. . , - - sysadmsh. - " ", " ". . , df(C) - , . -19-16-   - , sysadmsh. , - , " - ", " ". -19-17-   , - . - , - . - , , " ". - , . - , , , . - , , , " - ", " ". , : 1. - , . , - . , - . 2. , - : /bin/fsck -y /dev/hd0root , , fsck , , . - , , - . - -19-18- , : 65535 ( : " fsck "). , fsck , , haltsys(ADM), . , - . 3. - , . - ( chio(C) backup(ADM), xbackup(ADM)): cpio -iudv -I/dev/_ -512 xrestore fr /dev/_ /dev/hd0root _ , . - /dev/ rct0, - /dev/rctmini. - 96 , /dev/fd096. 4. , , - , haltsys(ADM) - . - . , , - . -19-19-  :  fsck fsck(ADM) , , , , . fsdb(ADM): +--------------------------------------------------------- | # fsck /dev/xyz | /dev/xyz | : / : xyz | : fsize 0 isize 0 | # | , - , " fsck, - " ". -19-20-   - , , . - . - - , . - , , - . - . , , - , , . , , "panic" (), - ( <INTERRUPT> () <QUIT> ( )), . , - , : 1. ( - ), , . , 3. -19-20a- 2. , . - , " ()" " ". , , - . 3. , " ". . 4. - , , - - . , , . - , " ". 5. , , - , , . , , - ". -19-21-   - - " ", , . HZ , , - . - HZ : /etc/rc2, /.profile /.login /etc/default/login. , , - HZ , - , , - : " ". , , , - , , , - . HZ 50 . , , - , - . , : cd/ cp/unix unix.bkp /ect/brant<serial#><actionkey> /unix /etc/shutdown . . -19-22-   - . - . - - . , , - , , , : : =0 = 0/47 = 31434 = 00000020 =00005180, =62899, /=483/4 , () badtrk(ADM), ( ). , badtrk - , . badtrk - . /etc/shutdown su - ( - shutdown(ADM), - ). , , badtrk, , - . , - , badtrk(ADM). -20-1-  20     ....................................... 20-1 .................... 20-2 .... 20-2 ........................................... 20-3 ...................... 20-4 - ............. 20-5 .......................... 20-6 , - setcolor..................................... 20-7 ....... 20-7 ..... 20-8 ................ 20-8 .................... 20-8 ..................................... 20-9  , - - . , - . : . ( ), kbmode(ADM). . multiscreen(M) - . . , , - vidi(C). . , - , setcolor(C). , " - " " , - ", . -20-2-   - : . - . , 101 102 - . , . , , . , - , . - - kbmode(ADM). - , . , kbmode - : kbmode test kbmode . , : +-------------------------------------------------------- | # , # kbmode test. | , - | . | - | ? | y (). | - | . | | . | ? | y (), . | ! | | . | . | # -20-2- .   kbmode . - / / : kbmode at kbmode xt -20-3-   , , , - KBTYPE. - KBTYPE configure(ADM) 13. - ", ". , configure , , " - ". -20-4-   - , . - - . , . , , , . , <CTL>s , - . - , . , , . - , , , . - , . . - , - . - , "" . , . /dev/tty[01...02]. - , . - , <ALT>-Fn , Fn - . . <Alt><F1> , tty01 , <Alt><F2> tty02 , <Alt><F3> -20-5- tty03 . , <Alt><F6> - 6 , - /dev/tty06. , - <CTL>-PrtSc ( <CTL> PrtSc ). - , . , , - , , <Alt><F10> , <CTL>-PrtScr . , <CTL>PrtScr . - <CTL>PrtScr - , tty01. , - <CTL><Alt> <Alt> . - , <Alt> . mapkey(ADM). multiscreen(M) screen(HW).   - multiscreens . - , - vidi(C). : "mono", "cga", "vga". , - EGA (MONO) , , , , MONO , : vidi mono -20-6-   - , , vidi(C). , - , , (- ROM), , - . , mapchan , , , - . . , - - - - , vidi(C). , VGA - 88, 814 816. vidi(C) . - /usr/lib/vidi. +----------------+-----------+------------+------------+ | | 88 | 814 | 816 | +----------------+-----------+------------+------------+ | | font8x8 | font8x14 | font8x14 | | PC | | | | +----------------+-----------+------------+------------+ | ISO 8859/1 | iso.8x8 | iso.8x14 | iso.8x16 | | | | | | +----------------+-----------+------------+------------+ | - | nor.8x8 | nor.8x14 | nor.8x16 | | PC | | | | +----------------+-----------+------------+------------+ | - | por.8x8 | por.8x14 | por.8x16 | | PC | | | | +----------------+-----------+------------+------------+ | | spa.8x8 | spa.8x14 | spa.8x16 | | PC | | | | +----------------+-----------+------------+------------+ | | grk.8x8 | grk.8x14 | grk.8x16 | | PC | | | | +----------------+-----------+------------+------------+ -20-7-  ,  setcolor setcolor(C) , , . ( setcolor - ). , - 16 . setcolor - . : _ _ _ _ _ _ , - setcolor . - . , , - "" . , - , : set color red white . , . , , , - - : setcolor -b red , - . -20-8-   - . setcolor - . : setcolor -r blue red - .   - , , , : setcolor -o green setcolor .   setcolor - , . , . ( , , ). - , control-G (- ) . : setcolor -p 500 2 - . - - . , : setcolor -p 7000 8 , , - <CTL>g, - , . -20-9-   -n setcolor "" .  21   ........................................ 21-1 ................ 21-2 ................... 21-2 Micnet................ 21-3 UUCP.................. 21-4 ......... 21-6 mmdftailor...................... 21-6 ......................... 21-6 ................................... 21-8 ............................. 21-8 ............................. 21-8 ............................ 21-9 ............................. 21-9 ................................ 21-11 ................................ 21-12 ........................... 21-13 alias.list................................... 21-13 alias.user................................... 21-14 .................. 21-14 .................................... 21-15 ................................... 21-16 ................................... 21-18 ........................... 21-19 MMDF........................ 21-20 -21-1-