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                     79: ���u������D�D+��_^�͑�{NULL}0123456789ABCDEF%s: V%s
                     80: 1.5PAGERexec more -dWould you like an introductory tour of COHERENTlc %s | %slc %s
                     81: 
                     82: When you boot your computer system (by turning on the power,
                     83: by hitting the reset switch, or by typing <Ctrl><Alt><Del>),
                     84: the bootstrap program by default runs the operating system on
                     85: the partition marked as active.  To boot an operating system
                     86: system on a different partition, type a partition number (0 to 7)
                     87: when the boot tries to read the floppy disk.
                     88: 
                     89: When you boot COHERENT, it starts up in single-user mode.
                     90: It automatically executes the commands in the file /etc/brc,
                     91: which typically check COHERENT filesystems for consistency
                     92: using /etc/fsck.  If the filesystems check without errors,
                     93: the system goes into multi-user mode, automatically executing
                     94: the commands in the file /etc/rc.  You can interrupt file system
                     95: checking by typing <Ctrl-C>.
                     96: 
                     97: To shut down COHERENT from multi-user mode, log in as root and
                     98: execute /etc/shutdown to return the system to single-user mode.
                     99: Then type sync before rebooting or turning off the power.
                    100: Your COHERENT filesystems may be damaged if you reboot or
                    101: power down without following this procedure.
                    102: 
                    103: /Now we will take a quick tour of your COHERENT filesystem.
                    104: The root directory / contains:
                    105: 
                    106: 
                    107: COHERENT executes file /.profile when the superuser root logs in.
                    108: File /coherent (linked to /autoboot) is the COHERENT system image.
                    109: Empty directories /f0 and /f1 are used for mounting diskettes.
                    110: Empty directory /mnt is used for mounting other devices.
                    111: The filesystem checking program /etc/fsck uses empty directory
                    112: /lost+found if it finds a problem with the root filesystem.
                    113: COHERENT uses directory /tmp for temporary files; it removes files
                    114: in /tmp automatically when the system goes multiuser (via /etc/rc).
                    115: 
                    116: Directory /bin contains executable programs (commands).
                    117: Some of the most commonly used commands are:
                    118:        bc      interactive calculator with arbitrary precision
                    119:        cat     concatenate/print files
                    120:        cc      C compiler
                    121:        cmp     compare files
                    122:        cp      copy files
                    123:        cpdir   copy directory hierarchy
                    124:        diff    summarize differences between files
                    125:        dos     transfer files to or from MS-DOS
                    126:        ed      interactive line-oriented text editor
                    127:        egrep   extended pattern search
                    128:        help    print concise command description
                    129:        lc      categorize files in a directory
                    130:        ls      list directory contents
                    131:        mail    computer mail
                    132:        ps      print process status
                    133:        rm      remove files
                    134:        rmdir   remove directories
                    135:        scat    segmented concatenation
                    136:        sort    sort lines of text
                    137:        wc      count words, lines, characters in a file
                    138: The next screen lists all the commands in /bin.
                    139: /bin/confDirectory /conf contains:
                    140: 
                    141: /conf/kbdSubdirectory /conf/kbd contains keyboard support:
                    142: 
                    143: 
                    144: You can change the operation of various keys on your keyboard by changing
                    145: the appropriate file in /conf/kbd and running /etc/kbdinstall.
                    146: /devDirectory /dev contains COHERENT devices:
                    147: 
                    148: Some important devices are:
                    149:        /dev/at*        Cooked (block-by-block) hard disk partitions
                    150:        /dev/com*       Serial port devices (COM1, COM2, COM3, COM4)
                    151:        /dev/console    Console terminal
                    152:        /dev/f*         Floppy disk devices
                    153:        /dev/lpt*       Parallel port devices (LPT1, LPT2 and LPT3)
                    154:        /dev/null       Bit bucket
                    155:        /dev/rat*       Raw (character-by-character) hard disk partitions
                    156:        /dev/rf*        Raw (character-by-character) floppy disk devices
                    157: 
                    158: /drvDirectory /drv contains loadable device drivers:
                    159: 
                    160: /etcDirectory /etc contains files and programs used in system administration:
                    161: 
                    162: Files of particular interest in /etc include:
                    163:        /etc/brc        Executed when the system comes up single-user
                    164:        /etc/group      Defines user group membership information
                    165:        /etc/passwd     Defines user login information
                    166:        /etc/profile    Executed for each shell
                    167:        /etc/rc         Executed when the system comes up multi-user
                    168:        /etc/ttys       Defines status of terminals attached to system
                    169: 
                    170: /libDirectory /lib contains libraries and C compiler phases:
                    171: 
                    172: /usrDirectory /usr contains a number of subdirectories:
                    173: 
                    174: 
                    175:        /usr/adm        System administration files
                    176:        /usr/bin        Additional COHERENT commands
                    177:        /usr/dict       Dictionary for spell command
                    178:        /usr/games      Games
                    179:        /usr/include    Header files
                    180:        /usr/lib        Additional libraries
                    181:        /usr/man        COHERENT online manual pages
                    182:        /usr/msgs       System-wide messages
                    183:        /usr/pub        Public information
                    184:        /usr/spool      Work area for daemon processes
                    185:        /usr/src        Some sources and sample programs
                    186:        /usr/tmp        Temporary file directory
                    187: 
                    188: COHERENT filenames often contain an extension following '.' which
                    189: indicates the contents of the file.  Some common extensions are:
                    190: 
                    191:        .a      archive (or library) in ar format
                    192:        .b      bc source
                    193:        .c      C source
                    194:        .h      C header
                    195:        .i      C intermediate file (cpp output)
                    196:        .l      lex source
                    197:        .m      macro assembler source
                    198:        .o      object file (unlinked)
                    199:        .r      nroff or troff input
                    200:        .s      assembler source
                    201:        .tar    archive in tar format
                    202:        .tar.Z  compressed tar-format archive, cf. tar, compress
                    203:        .tmp    temporary file
                    204:        .y      yacc source
                    205:        .Z      compressed file, cf. compress/uncompress
                    206: 
                    207: Some commonly used diskette device names and formats are:
                    208:        Device name  Sectors/track  Heads  Sectors  Bytes   Format
                    209:        /dev/f9a0          9          2      720    360 KB   5.25"
                    210:        /dev/fqa0          9          2     1440    720 KB   3.5"
                    211:        /dev/fha0         15          2     2400    1.2 MB   5.25"
                    212:        /dev/fva0         18          2     2880    1.44 MB  3.5"
                    213: Device names ending in '0' and '1' indicate drives A: and B:.
                    214: 
                    215: To use a floppy disk with COHERENT, you must:
                    216:        (1) format it with /etc/fdformat,
                    217:        (2) check it for bad blocks with /etc/badscan,
                    218:        (3) build an empty filesystem on it with /etc/mkfs,
                    219:        (4) mount it with /bin/mount or /etc/mount,
                    220:        (5) copy files to or from it, e.g. with /bin/cp or /bin/cpdir,
                    221: and    (6) unmount it with /bin/umount or /etc/umount.
                    222: 
                    223: For example, to copy directory /dir to a 5.25" high density diskette in A:
                    224:        /etc/fdformat /dev/fha0
                    225:        /etc/badscan -o /tmp/proto /dev/fha0 2400
                    226:        /etc/mkfs /dev/fha0 /tmp/proto
                    227:        /etc/mount /dev/fha0 /f0
                    228:        cpdir -vd /dir /f0/dir
                    229:        /etc/umount /dev/fha0
                    230: /bin/mount and /bin/umount provide handy abbreviations for mount commands.
                    231: 
                    232: This concludes your brief introduction to COHERENT.
                    233: To see this introduction again, type "/etc/coh_intro".
                    234: To create a file with this information, type "/etc/coh_intro >/tmp/tour".
                    235: 
                    236: Hit <Enter> to continue...%s: %r
                    237: Installation aborted before completion.
                    238: %rEnter a value between %d and %d:%r %s: %r
                    239: Hit <Enter> to continue...%s
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