  Saving_disk-mini-HOWTO
  eJ  (kikutani@bekkoame.or.jp)
  v0.1, July 7 1995

  fBXNXy[X𑝂₷߂̍Hv

  JF F́̕A1995N77ȗAXVĂ܂B݂Ƃ͈
  Ȃ镔̂ŁAӂB

  1.  ͂߂

  n[hfBXN͍ŋ߂ƂĂȂĂ܂AfXNgbv@ł SCSI
  ȂǂŊOt݂̑邱ƂeՂłBAm[g PC ł݂͍͑
  łBfBXNłȂƂ肭肵Ă̂܂B
  mini-HOWTO ́At@CkăfBXNߖ񂷂邽߂ tips łB

  2.  t@Ck̕@

  ̎vt@ƂĂ͈ȉ̂̂܂B

  o  st@C̈k

     o  gzexe

     o  tcx

  o  f[^Et@C̈k

     o  gzip

     o  gzip+zlibc

  o  st@Cƃf[^Et@C̗̈k

     o  double

  ̂قAL` Saving_disk ƂẮAMS-Windows  SWAP t@C
  Linux  SWAP t@CpƂ@ł傤A
  Swap-Space Ƃ mini-HOWTO B

  ̕@ɐ܂B

  3.  st@C̈k

  3.1.  gzexe

  gzip ƂƂɕWłĂ tool łBڂ man gzexe ŌĂ
  قłAg͊ȒPłBfoo st@CƂ

       gzexe foo

  ňk܂Bfoo~ Ƃ̃obNAbvł܂Bʂ̓obN
  Abv͏Ă܂܂Afoo 񈳏kɖ߂Ƃ
       gzexe -d foo

  łB

  gzexe ݂̂͒PłBkꂽ foo  less ŌĂƂ킩
  ܂AVFXNvg{ gzip ňkꂽoCiɂȂĂ
  āAfoo sƁA/tmp ̉ decompress e|ȃt@C
  As܂B

  gzexe  setuid root ꂽst@Cɂ͂܂ (security
  hole ̂߂ł傤)B܂AVFXNvg tail ȂǑ tool 
  gĂ̂ŁAƂ tail ̂ /usr/bin ̃fBNgŉ̎
  st@CkƁAꂽVFXNvg ./tail Ƃ`
  Ă܂̂ő̃fBNgsłȂȂĂ܂܂(oO
  Ǝv)B̏ꍇ /usr/bin ȊÕfBNg gzexe 
  B

  gzexe ̌_́ApɂɎsR}hňkĂ܂ƁAs
  т /tmp ɏôŒxȂ邱ƂłB tcx ̖̉P
  ĂłB

  3.2.  tcx

     F
        sunsitẻ utils/compress/tcx-linux.tar.gz Ƃ̂A
        ꂪ낢 CD-ROM ɓĂ܂A̎Ă̂͂Ȃ
        man page(tcx.1, untcx.1) Ă܂BUnix ėp̃\[X
        TĎĂقł傤B

  CXg[́At̃hLg README ɏ]ĊȒPɂłł
  B

  g gzexe Ǝ悤Ȃ̂ŁAk

       tcx foo

  ŁA񈳏kɖ߂̂

       untcx -u foo

  łBs /tmp ̉(̓ʂȏꏊ)Ɏst@CoĎs
  ̂ gzexe ƓȂ̂łA̎sIƂ莞 (ݒ)
   /tmp ̉ɑ݂̂ŁAR}h̘Asł\͗܂B
  kASY͑Iׂ܂AftHg gzip łB

   setuid root ꂽst@Cɂ͂܂BVbg_
  E̍ۂɎgR}h tcx ňkĂ܂ƁA /tmp ̉Ƀt@
  Cc܂܂Ń_EĂ܂̂ł߂قłB

  4.  f[^Et@C̈k

  4.1.  gzip

  킸ƒmꂽ gzip łBfBNg foodir ȉ̃t@CQA
  ͂Ȃǂ߂ɎgȂƂ悤ȏꍇAfBNg

         tar zcf - foodir > foodir.tar.gz; rm -rf foodir

  ȂǂƂĕۑ@͂悭܂ˁB߂̂

         tar zxf foodir.tar.gz

  łBA tar+gzip `łƁÃt@C̈
  ɂS߂Ȃ΂Ȃ܂B

  [ t@CE[eBeBł mc (Midnight Commander) ̎̃o[
  W (炭2.5) ł́Atar+gzip `̂܂܂ŁÃt@C@
  \Ă͂łB]

  ŁAfoodir ɂ

         find . -type f -exec gzip --best {} \;

  ƂłāAeX̃t@CkɂƂǂ߂Ăقł
  BǂނƂ͂ gzip -d ȂĂAzcat, zgrep, zless g
  ܂ (ŋ߂ less ͂̂܂ gzip ꂽ̂ǂ߂܂)B

  4.2.  zlibc

  ̂悤 gzip ňkt@C𓧉ߓIɓǂ߂悤ɂCu
  łBuyPyPṽR}hQłȂƂAkt@C
  񈳏k̃t@Ĉ悤Ɉ܂B

     F
        sunsite ̉ libs/zlibc-0.7.src.tar.gz ŐVł (oCi
        )B sunsite ̃~[A Linux ֌W CD-ROM 
        łł傤B 0.7 ł͍ŋ߂ ELF Cu (libc.so.5.0.9)
        T|[g邻łB

  t̃hLg INSTALL.linux ɏ]ăCXg[

         /libc.so.4 -> /libc.so.4.5.26

  

         /libc.so.4 -> /libc.so.4.5.26.z.0.5

  ̂悤ɒu܂Bڍׂ man zlibc.so B܂A
  uǂ̂悤ȃt@C͈kĂ͂Ȃv FAQ ƂhLg
  ɏĂ܂B FAQ ̓}jAɋ߂iȂ̂ŁAŏɒʂēǂ
  قłB

  CXg[ア񃊃u[g܂B*.gz ̃t@ĈfBNg
   ls ƁA.gz ̕tȂt@Ĉ悤ɕ\܂B
  Slackware ́uFt lsvƁAt@CȐFɂȂɁAŌ
  u|vtĕ\̂Ŕʂ͂ł܂BPls .gz ͕t
  ܂񂪁A ls foo.c.gz ȂǂƂƌ̂łB

  zlibc ʂ𔭊܂Bŋ߂ Linux J[l̃\[X͑
  ̂œWJ 10MB 炢ɂȂ܂B /usr/src/linux 
  find . -type f -exec gzip {} \;  3MB 炢ɂ܂Ō܂B
  zlibc ̖ʔ_́Aû܂ make łvƂłB make 
  鎞Ԃ͑܂BȑOƂ܂A30 Ă
  make zImage 傤ǔ{ 60 ɂȂ܂B

  zlibc ̌̂͊ȒPŁAopen(2) R[āAt@C
  Ďs .gz tt@CJƂA gunzip 
  pCvȂēǂށAƂ̂łB܂PɃt@C̊gqŔ
  ʂĂ̂łB

  vOɂĂ͏ɂ^Ă͍镨邩
  Bꍇ ~/.zlibrc Ƃt@Cōׂݒł邻
   (man zlibrc)B̓ftHg̐ݒō̂Ƃss͏oĂ܂
  B

  zlibc ̓ꎞIɂ߂Ƃ

         export ZLIB_DISABLE=1

  Ƃ܂(csh Ȑl setenv ZLIB_DISABLE 1)BA͊S zlibc
  ̋@\~߂邱Ƃ͂łȂ悤ŁA *.gz ̂fBNg ls *.gz
  ĂuȂvƓ{܂BSɎ~߂ɂ /libc.so.4 ̃N
  ɖ߂Ă烊u[g邵Ȃł傤B

  āAzlibc ĂāAfoo.c.gz ҏW悤Ƃ vi foo.c Ƃ
  ƃobt@͊J܂Areadonly ɂȂĂ܂B܂Aݎ̍
  k͂ꂭ܂BĂ̂ɏqׂ double łB

  5.  double

  Oz悤ɁADOS ̈kfBXNɎłBkAS
  Y͂낢ÎׂłAXs[hƂ̃g[hItőI΂ĂA
  ftHg LZV ƂASYł́Ak 1.7 Oł
  Bdouble ̓J[lɃpb`KvłBt@CVXeɂ͈ˑ
  Ă܂(ŋ߂̔łł MSDOS  UMSDOS ɑΉĂ邻ł)B

  double 肵Ă΁Ast@Cɂf[^Et@Cɂg
   Saving_disk ̌łƌ̂łA񂹂A܂piK
  ͉悤Ȃ̂ŊȒPȏЉɂƂǂ߂܂B

     F
        rI肵ł 0.3 ŁAtsx-11 (~[)
        ALPHA/double/double-0.3a.tar.gz Ƃ̂܂BŐV 0.4
        ͂Ƃǂ tsx-11  sunsiteupdate ܂A{Ƃ
        achaz.saclay.cea.fr:/pub/double łB

  0.3  łɂȂ̂A0.4 ł͂܂ łɖ߂Ă܂܂B 0.3
  ł́ufBXNEtԁvɂȂƂȓ̂łP
  ׂ 0.4 isłB_ł̍ŐV 0.4l1 ŁAJ[l 1.2.5 
  ܂őΉĂ܂B

   0.3 ̂Ƃ͂ȂgĂ܂BNȂƂ͖Ȃł (
  ܂)B̌ Linux āAd{^Ȃ΂
  ȂȂƂɂ悭t@CEVXe܂B܂̏ꍇ
  double łȂĂ邱Ƃ͂܂Adouble ł͉\ɍ
  łB

  0.3 ͌ÂJ[l( 1.1.5x O)܂łgȂ̂ŁAȂ
  0.4 ł傤A 0.3 słB

  double ͂ȂȂʔ݂Ǝv܂Bp[eBVŜłł
  Ap[eBV̈ꕔ double pt@CāAt@C
  VXeƂă}Eg邱Ƃł܂BASYprɂĕ
  _܂B

  eX^[ƂĊ^͐񎎂ĂłAlIɂ͎
   (0.5H)o܂ő҂Ǝv܂B

  6.  ԊO -- thsfs

  ʂ DOS p[eBV͒ Linux }Egł܂
  ADoubleSpace (Ȃ)ňkꂽp[eBV Linux }Eg
  ł܂Bthsfs ͂\ɂ̂łB̃o[W
  Read Only ł̂݃}Egł܂B̃Tum[ĝ悤ɁADOS ̃u[g
  fBXN(ChCu)܂ DoubleSpace ňkĂꍇɂ͖𗧂Ƃ
  ܂(dosemug܂)B

  ȑÕo[W͒xĎgɂȂȂłAŋ߂̂͂Ǝg
  ܂B

     F
        dcssoft.anu.edu.au/pub/steveb/ths/thsfs.tgz W[œ
        ŁAgĂJ[lɑΉ modules pbP[WKvɂȂ
        ꍇ܂B

  g̓\[X README 䗗B

  7.  Ɛ

  킽eJ́ÃhLgɂĂȂ PCAfBXNA
  A MOȂǂQ󂯂ꍇłA؂̐ӔC𕉂܂BׂĂ
  ̃XNłĂB

  ȏ

  (sgml conversion, y.senda, ysenda@pop01.odn.ne.jp, 2001/09)

