, -- , . - , , . , - , , - , . , "" . - - . - 8-40 - RFS_VHIGH RFS, . RFS_LOW RFS, . NRCVD ( ) - , , , - . - , - , , . - . NSNDD ( ) ( - ), - , - . - , . , - . RFS- . - - . - 8-41 - NSRMOUNT ( ) , , . - , - . NADVERTISE ( ') ' ' . , - '. MAXGDP ( ) (- ) - , . , - , . - , - , - , . RFS, . , . , , RFS. MINSERVE ( ) . , . (. sar -S ). - 8-41a - MAXSERVE ( ) , , - . (MINSERVE+ - ). NRDUSER user , . - . - , , (NRCVD), user , (NRDUSER). , . 1.5 , NRCVD. - 8-42 - RFHEAP , RFS. - : * ID , - . * , ' . RFHEAP - : - UID/GID ( ). , UID GID. host uid.rules gid.rules  - , , . , - , . , , idload -n. 4- , - idload, 24 . - ' ( ). ' - , . - , , . - 8-43 - - , . 64 - . - , , . , , - , 1 4 , - , . , RFS - NHBUF. NHBUF - " " , , . - ID - - ID , - . (. " ", - NHBUF). 8.4 RFS - RFS. " - " , , . " " , , . "+" , , - . - 8-44 -  8.4  RFS +------------+-------+---------+---------+---------+-----------+ | | | | - | | | | |-| | + | -| | | | | | | | | +------------+-------+---------+---------+---------+-----------+ | NSRMOUNT | 0 | 50 | 50 | 24 | | | MAXGDP | 10 | 24 | 24 | 24 | 104 | | NADVERTISE | 0 | 25 | 25 | 25 | 32 | | NRCVD | 40 | 300 | 150 | 150 | 48 | | NRDUSER | 0 | 450 | 255 | 225 | 24 | | NSNDD | 150 | 30 | 150 | 150 | 44 | | MINSERVE | 0 | 3 | 3 | 3 | 9 | | MAXSERVE | 0 | 6 | 6 | 6 | - | | RFHEAP | 2048 | 3072 | 3072 | 3072 | 1 | | NREMOTE | 0 | 0 | 0 | 0 | - | | NLOCAL | 0 | 0 | 0 | 0 | - | | RCACHETIME | 10 | 10 | 10 | 10 | - | +------------+-------+---------+---------+---------+-----------+  9  DOS OS/2 ________________________________________________________________ 9-1 OS/2 9-2 fdisk 9-3 9-5 UNIX DOS 9-7 UNIX DOS 9-9 9-11 , DOS 9-12 9-13 , 9-13 DOS UNIX 9-15 DOS 9-15 DOS 9-15 mount 9-16 DOS 9-17 DOS 9-17 DOS 9-18 9-18 UNIX DOS 9-20 - 9-1 - _______________________________________________________________  MS-DOS, DOS. , DOS UNIX. - DOS UNIX, DOS . , DOS, , UNIX. . - dos(C) DOS DOS . - . , , - fdisk(ADM) DOS UNIX. - fdisk DOS UNIX. - UNIX DOS. , - , , UNIX, , DOS. ________________________________________________________________  DOS 3.3 . extended () ________________________________________________________________ - 9-2 - ________________________________________________________________  OS/2 OS/2 , OS/2 , - UNIX; , OS/2 - UNIX. , , - OS/2. OS/2 DOS UNIX, : 1. DOS ( 32 ) 2. UNIX 3. OS/2 OS/2 ( - DOS, ). , - fdisk(ADM) OS/2 . fdisk(ADM) UNIX OS/2 DOS. - 9-3 - ________________________________________________________________  fdisk fdisk . , fdisk(ADM) UNIX. fdisk  . fdisk: +---------------------------------------------------------- | 1. Display Partition Table ( ) | 2. Use Entire Disk For UNIX ( | UNIX) | 3. Use Rest of Disk for UNIX ( | UNIX) | 4. Create UNIX Partition ( UNIX) | 5. Activate Partition ( ) | 6. Delete UNIX Partition ( UNIX) | | Enter your choice or 'q' to quit: | ( 'q' :) fdisk  () . . .  . 4 . - .  fdisk - - "". () . UNIX , UNIX. fdisk - . . 50 . UNIX , - . custom(ADM), - UNIX. 40 UNIX. , - . - 9-4 - fdisk  . 1fdisk3  - . UNIX . DOS , , . DOS 0 , DOS , DOS . UNIX - DOS, UNIX - . , , DOS UNIX , - . , 5 DOS - 103, UNIX 105. UNIX, - UNIX - /dev/hd0a. hd(HW). fdisk ( ). - , , , . <Return>, : +---------------------------------------------------------------- | Current Hard Disk Drive: /dev/hd00 | ( : /dev/hd00) |________________________________________________________________ || Partition | Status | Type | Start | End | Size | || () | () | ( ) | ()|()| ()| |================================================================ || 1 | Inactive | DOS | 005 | 398 | 393 | |________________________________________________________________ || 2 | Active | UNIX | 400 | 1219 | 819 | |________________________________________________________________ | | Total disk size : 1229 tracks (9 tracks reserved for | masterboot and diagnostics). | [ : 1229 (9 | )] - 9-5 - p p  3 DOS, DOS UNIX : *  DOS , *  , , DOS, *  fdisk - . DOS - . , , fdisk. DOS, UNIX - . fdisk, UNIX , . , - , : dos : +--------------------------------------------------------------- | Boot | : | , , : 1. . 2. shutdown(ADM) UNIX. , , , , . 3. , UNIX , - DOS () . 4. DOS. - 9-6 - 5. , UNIX, <CTRL><Alt><Del>, <Reset>, , - . , - UNIX, : , DOS. - - fdisk UNIX DOS. , (. ) DOS . DOS, DOS DOS . UNIX, fdisk DOS, UNIX. UNIX, <CTRL><Alt><Del>, <Reset>, , . UNIX , , . .  9.1  DOS +-----------------+-------------------+ | | | | | | | XENIX | UNIX | +-----------------+-------------------+ |/dev/hd0d | /dev/dsk/0sd | |/dev/rhd0d | /dev/rdsk/0sd | |/dev/hdld | /dev/dsk/lsd | |/dev/rdld | /dev/rdsklsd | +-----------------+-------------------+ , 9.1, /dev/hd0a ( ), , - DOS, hd0d hdld. ( - XENIX, UNIX, ). , - UNIX DOS - DOS ( ). - 9-7 - ________________________________________________________________  UNIX DOS UNIX , - DOS, - : 1. ( ) - - . 2. fdisk DOS. - UNIX ( - 40 ) , 4. , DOS, , UNIX , . 3. DOS - . , . 4. . 5. - ,   UNIX. , , - . , - DOS DOS. UNIX, - UNIX. 6. fdisk . fdisk 40 - UNIX. 7. UNIX , fdisk - " ". 8. UNIX. - 9-8 - ________________________________________________________________ p fdisk UNIX DOS DOS, fdisk  DOS UNIX Other ( DOS). fdisk DOS - DOS, fdisk UNIX - UNIX. , fdisk DOS , fdisk UNIX - . . ________________________________________________________________ - 9-9 - ________________________________________________________________  UNIX DOS    . UNIX . , , DOS. . , - UNIX. DOS : A> A: C: DOS ,  . DOS. DOS . ________________________________________________________________ p DOS, DOS. " " - . ________________________________________________________________ DOS . DOS . DOS. UNIX . , - mkdev hd  , - , - DOS UNIX (doscp, dosls, doscat  .) , DOS , - mkdev hd. - 9-10 - ________________________________________________________________ p - , - . ________________________________________________________________ - 9-11 - ________________________________________________________________   , , . , fdisk. UNIX - fdisk UNIX. DOS, fdisk DOS. - . - UNIX DOS . - - ( UNIX) - , divvy(AD). " " - , UNIX - . - 9-12 - ________________________________________________________________ , DOS , DOS - " , DOS". , , , DOS DOS. - , . , - UNIX DOS, , DOS . , DOS, . UNIX - dd(C) diskcp(C) DOS. - UNIX dtype() (DOS UNIX). , /etc/default/msdos  DOS UNIX (.. A:, B:, C: ...). ________________________________________________________________  - DOS UNIX. ________________________________________________________________ DOS . DOS, , doscp, , . " ". , DOS, . - 9-13 - ________________________________________________________________  DOS DOS, "bad media byte ( )". , DOS . DOS , DOS, - DOS , - : format /s c: DOS. ________________________________________________________________   : device:name device - UNIX , DOS, name - DOS. : /dev/fd0:/john/memos , memos  /john, /dev/fd0 ( UNIX ). device:  UNIX. ,    , , /etc/default/msdos DOS, UNIX. , : A=/dev/fd048ds9 B=/dev/fd096ds15 C=/dev/hd0d D=/dev/hdld - 9-14 - , - "A" /dev/fd0 (48ds9 ) DOS. : /dev/fd0:/john/memos : A:/john/memos "B" (96ds15), "C" "D" DOS . ________________________________________________________________  " cannot open /dev/hd0d ( - /dev/hd0d)" , - . - chmod. , - : chmod 666/dev/hd0d "/dev/hd0d", DOS . ________________________________________________________________ - 9-15 - ________________________________________________________________  DOS UNIX  DOS- - DOS ( -  ), DOS - UNIX. , DOS - UNIX. , DOS - ; VP/ix ( - UNIX) DOS. , - , - .    DOS DOS, . , mkdev(ADM). , - root( ), : mkdev dos sysadmsh  : -> -> -> DOS - . ( , ). , DOS .  DOS DOS UNIX DOS. UNIX . - , - DOS, : - 9-16 - * * * ( , .) * ________________________________________________________________  / - DOS . , DOS, - . DOS, - . (FSS). ________________________________________________________________ , DOS , DOS - , .  mount DOS - : 2mount -r -f DOS /dev/hdxy /mountpoint x  y  mountpoint  , DOS. mount, - ( - ). - 9-17 -   DOS, 96tpi /mnt : mount -r -f DOS /dev/fd096 /mnt  DOS DOS fsck(ADM), DOS. - FAT ( ) DOS , - DOS. fsck, DOS - .  DOS   . - ,