- . . , , . Alt (cp866) cp1251. MS-DOS.
- . . .
MIME  -  - 
.       
 ,        . 
MIME  ,      
     . ,   
,  MIME  video/mpeg  (MPEG ),
       
  MPEG .
  UNIX ,  MIME ,   
  metamail,    
       MIME.    
(/etc/mailcap -     ~/.mailcap -
  )       
MIME  .
, MIME , , MIME- KOI8.
MIME-, richtext , () , . MIME.
text/plain; translit -t cp1251-koi8.rus < %s; test=test \
    "`echo %{charset} | tr '[A-Z]' '[a-z]'`"  = cp1251; copiousoutput
text/richtext; translit -t cp1251-koi8.rus < %s; test=test \
    "`echo %{charset} | tr '[A-Z]' '[a-z]'`"  = cp1251; copiousoutput
text/plain; translit -t alt-koi8.rus < %s; test=test \
    "`echo %{charset} | tr '[A-Z]' '[a-z]'`"  = cp866; copiousoutput
text/richtext; translit -t alt-koi8.rus < %s; test=test \
    "`echo %{charset} | tr '[A-Z]' '[a-z]'`"  = cp866; copiousoutput
text/plain; translit -t alt-koi8.rus < %s; test=test \
    "`echo %{charset} | tr '[A-Z]' '[a-z]'`"  = alt; copiousoutput
text/richtext; translit -t alt-koi8.rus < %s; test=test \
    "`echo %{charset} | tr '[A-Z]' '[a-z]'`"  = alt; copiousoutput
, . ( , , ). Microsoft Word cp1251, , ( MS Word Applix Words).
, . , MIME. Microsoft Mail MIME. Netscape Navigator/Communicator / , cp1251, charset=koi8-r .
   ,    
    (   ,
    - -  Outlook)  
.      windows-1251  
 iso-8859-1, US-ASCII  UNKNOWN-8BIT.  
     ~/.procmailrc 
  (   ,    
~/.procmailrc      ):
:0 fHw * ^Content-Type: *text/plain; *charset="?(iso-8859-1|US-ASCII|UNKNOWN-8BIT)"? | formail -i "Content-Type: text/plain; charset=windows-1251"
Internet , . .
, . , , "" GNU recode. ( http://www.iro.umontreal.ca/~pinard/recode/).
cp1251 koi8-r :
$ recode CP1251..KOI8-R winfile.txt
iconv ( glibc)
cp1251 koi8-r:
$ iconv -f866 -tKOI8-R -o<outfile> infile
lynx (cp1251 koi8-r):
$ lynx -assume_local_charset cp866 file.txt
    -   
SovInformBureau
   
ftp.funet.fi.      
  emacs (  
Emacs  XEmacs).
Windows Unicode, . Linux, , Unicode, Windows VFAT, , .
:
ls /lib/modules/`uname -r`/fs/nls_*).
mount:
codepage=866,iocharset=koi8-r
/etc/fstab/   :
/dev/hda5 /mnt/d vfat noexec,dev,suid,rw,umask=002, codepage=866,iocharset=koi8-r, gid=101 0 0man mount.
   Documentation/filesystems/vfat.txt
   Linux.
, ,   ,  
 Alt .   ,  Alt-
     DOS.  ,
  DOS  ,   Alt.
      (dos)          
   .     DOS  
 .  .   rk    . ,
       ,    X   dosemu.  
 -  r       (
 2.0      ).        
    ,     Alt  
KOI8.  , ,     X Window
(     1.14  ). 
Internet , , ftp .
, http://www.ice.ru/~vitus/misc/, . X-, - DOS - . dosemu ( telnet/ssh/rsh) .
  X   dosemu          
 X   866- p. 
  p 
http://www.ice.ru/~vitus/works/x11.html, 
ftp.dosemu.org,
    (    )
www.inp.nsk.su/~bolkhov
    cp866      
.  vga_bul8x16.pcf.gz  vga_bul.pcf.gz 
  (),  vga_ruscii_8x16.pcf.gz  
""  ruscii.
     dosemu  
dosemu.        
  vga,            .
      /etc/dosemu.conf:
# Font to use (without filename extensions). For example:
X { updatefreq 8 title "MS DOS" icon_name "xdos" font "vga-alt"}
    ,           .
 ,            X  .
    ,  ,     ,
   : rk . ,  cyrkeyb Pete Kvitek -
    
http://www.ice.ru/~vitus/misc/.
 gtk    ,   8- .
   /etc/gtk/gtkrc.$LANG.  
  gtkrc.ru   . 
    (
,        ,
       koi8-r):
style "gtk-default-ru" {
       fontset = "-cronyx-helvetica-medium-r-normal--*-*-*-*-*-*-koi8-r,\
                  -cronyx-courier-medium-r-normal--*-*-*-*-*-*-koi8-r,\
                  -cronyx-fixed-medium-r-normal--*-*-*-*-*-*-koi8-r,\
                  -cronyx-times-medium-r-normal--*-*-*-*-*-*-koi8-r"
}
class "GtkWidget" style "gtk-default-ru"
     'gtkrc.ru_RU.KOI8-R'   symlink:
$ cd /etc/gtk/ $ ln -s gtkrc.ru gtkrc.ru_RU.KOI8-R
. www.gtk.org, http://www.linux.org.ru/gnome/