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- Frequently Asked Questions (FAQS);faqs.204
-
-
-
- There are two sub-domains: msg.uvm.edu belongs to Mach Systems Group,
- a group of graduate students involved porting operating systems (most
- notably, Mach 2.5 and 3.0) to local hardware; and med.uvm.edu belongs
- to the UVM School of Medicine, which is not very well networked as
- yet.
-
- Univ. of Virginia:
- More or less all students, faculty, and staff can have
- accounts that at least receive mail, but most people don't
- ever bother to get or use an account. People in the School of
- Engineering are most likely to be accessible via e-mail. The
- school's primary connections are Internet links to SURAnet
- (local NSF Regional network), but there is also a single
- BITNET link. Almost any user can be located using the
- Internet standard whois program and the whois database that
- is kept on the system named: whois.virginia.edu
- You can also try fingering lname@virginia.edu.
-
- Univ. of Washington, Seattle:
- CS Grads and Faculty: lastname@cs.washington.edu
-
- Most folks are on milton.u.washington.edu, which is the same as
- u.washington.edu. Usernames can be anything. Mail sent via
- u.washington.edu will forward to the appropriate account.
-
- CS students, grads, and faculty can generally be looked up by last
- name at cs.washington.edu; if not, try june.cs.washington.edu for
- grads and faculty, and wolf.cs.washington.edu for undergrads.
-
- Univ. of Waterloo, Ontario:
- Userids are of of the form <initials>+<surname> (e.g. mbmulroney, ghwbush),
- and may be any length (for most machines; some still restrict them to
- 8 characters. Mail servers send you back a list of possible userids
- if the one you tried doesn't match any known user.
- Math/CS undergraduates: undergrad.math.uwaterloo.ca
- CS graduate students: neumann.uwaterloo.ca
- CS and Math Graduate Students: violet.uwaterloo.ca and jeeves.uwaterloo.ca
- CS faculty may be found on one or more of the primary machines
- {watdragon, maytag, watcgl, daisy, jeeves, grand, poppy, vlsi, watmsg,
- math, watserv1}.uwaterloo.ca (there are lots more)
- Engineering undergraduate students: userid usually of form
- <surname>+<initials> or <initials>+<surname>, at one of
- {chemical, civil, electrical, mechanical}.watstar.uwaterloo.ca
- Also try @1302 and @108 for chemical, civil, electrical and mechanical
- engineering -- these are used mainly for lower-year students
- from all engineering departments.
- Systems Design Engineering: watnow.uwaterloo.ca
- Physics students: physics.watstar.uwaterloo.ca.
- Art Students: artspas.watstar.uwaterloo.ca.
-
- Univ. of Western Ontario, London, Ontario:
- Computing and Communications Services operates a campus directory
- service as well as a campus E-mail forwarding service. This covers
- all of the faculty and staff listed in the campus telephone directory
- as well as many students. Registration is voluntary but for faculty
- and staff is reasonably complete and accurate.
- % whois -h whohost.uwo.ca name
- eg. whois -h whohost.uwo.ca smith
- eg. whois -h whohost.uwo.ca j.smith
- eg. whois -h whohost.uwo.ca john.smith
- The mail forwarding service works for common names as well:
- % mail common-name@uwo.ca
- eg. mail smith@uwo.ca
- eg. mail j.smith@uwo.ca
- eg. mail john.smith@uwo.ca
- Mail will either be forwarded to the user with that common name, or
- if the name is not unique, you will receive a returned message listing
- all users with that common name.
-
- Univ. of Wisconsin/La Crosse:
- username@uwlax.edu
- Usernames are arbitrary. Try fingering by the lastname.
-
- Univ. of Wisconsin/Madison:
- Phone book server (staff only): finger lname@wisc.edu
- CS: cs.wisc.edu
- Engineering: cae.wisc.edu
- Undergrads: Class accounts based on first and last name,
- @garfield.cs.wisc.edu.
- For other departments, you can sometimes guess the hostname
- from the department name. Thus: meteor.wisc.edu for
- Meteorology, math.wisc.edu for Mathematics.
-
- Univ. of Wisconsin - Milwaukee:
- Many students - csd4.csd.uwm.edu, convex.csd.uwm.edu
- EE ugrad and grad - ee.uwm.edu
- CS grad - point.cs.uwm.edu
- CS fac - blatz.cs.uwm.edu
- Students taking Comp Sci Classes: miller.cs.uwm.edu
-
- In fact if you finger cs.uwm.edu you get:
-
- Computer Science users at UWM are normally on workstations or
- other backbone computing machines. To locate a faculty member,
- graduate student or undergraduate student, you can use the
- finger program.
-
- The finger program can help you locate a user who is known to the CS
- machines at UWM. To locate a user do
-
- finger person-X@cs.uwm.edu
-
- Where X=F|f if the person is a CS faculty member
- X=G|g if the person is a CS grad student
- X=U|u if the person is a CS undergraduate student
- X=E|e if the person is an Engineering student
- X=O|o Other University machines(Just some of them!)
-
- Undergraduates are for the most part on miller.cs.uwm.edu. Graduate
- students are usually on cvax.cs.uwm.edu. To get a complete list of
- cs-faculty, finger csfac@cs.uwm.edu.
-
-
- Univ. of Wisconsin - River Falls:
- uwrf.bitnet
-
- Utah State University:
- cc.usu.edu - This is the MAIN VAX. A Vax 6510 that is usually the
- system that everyone uses for most purposes. Our
- usenet news is on this computer as well as other
- utilities. This is also the system that is a bitnet
- node (USU). So mail can be sent to usu.bitnet as well.
- mua.usu.edu - This is our Micro-VAX that is running ultrix. Because
- this is the popular domain for TinyTALK and TinyFUGUE
- programs, the active Gamers use this system.
-
- You can finger both systems, the account names are given in a random
- fashion that consists of a five letter code. The first two
- letters usually denoting whether the user is a student or a
- faculty member. SL___ account belong to students and FA___
- accounts belong to faculty members. The easiest way to locate
- a user is to send mail to OPERATOR@cc.usu.edu or, if your
- system supports the bitnet SEND command, use SEND OPERATOR@USU
- and ask them to look up the name for you.
-
- Vanderbilt University:
- Engineering faculty and grad students: @vuse.vanderbilt.edu
- (most user IDs are the three initials)
-
- Undergrads and other grad students: @ctrvax.vanderbilt.edu
- Most user IDs are llllllfm (8 chars max). You can't finger
- on this VAX cluster; try sending mail to
- userserv@ctrvax.vanderbilt.edu; you should get a response
- within a business day or so.
-
- Vassar:
- Students: FMLLLLLLLLLL@vaxsar.vassar.edu. (Every student is given
- a VAX account, but few actually use them.)
- Faculty: Faculty must request an account in order to get it,
- but most of those who have accounts use them. Faculty
- usernames are lastnames followed by enough letters of the
- first name to ensure uniqueness. Their accounts are also on
- vaxsar.vassar.edu. Fingering with the username or the lastname
- will usually work.
-
- Virginia Tech:
-
- Computer Science students at Virginia Tech (aka VPI or VPI&SU for
- Virginia Polytechnic Institute and State University, normally just
- Virginia Tech, though) can be found at:
-
- EE: vtccts1.cc.vt.edu, eddie.ee.vt.edu
- CS: csugrad.cs.vt.edu
-
- Undergraduates: userid@csugrad.cs.vt.edu
- Graduate Students: userid@csgrad.cs.vt.edu
- Faculty: userid@vtopus.cs.vt.edu
-
- There is also the SSI Mail account. If a person has an SSI Mail
- account it will be: firstInitialLastName@vtssi.vt.edu. It is common
- for undergrad students (especially non-CS) to get an SSI Mail account
- rather than a CSU account because it doesn't cost any money.
-
- Wake Forest University:
- llllllfm@wfunet.wfu.edu
-
- Washington University, St. Louis MO:
- Arts&Sciences undergrads: fmllllll@pear.wustl.edu
- Undergrad Engineers: All have accounts on cec1.wustl.edu and
- cec2.wustl.edu (cec2.uucp). Userids are the user's three initials
- followed by a single digit for disambiguating name conflicts. If
- there is no name conflict, the extra digit is a 1. Fingering from
- outside the university sometimes works. Also, some computer science
- students have accounts on wucs1, and anyone (including people
- outside W.U.) can have an account on maria. On these machines, the
- user chooses his/her own login name to be enabled. Usernames for
- engineering faculty are just their three initials.
- Other Undergrads: Try wugold.bitnet
-
- Wayne State University, Detroit MI
- All students in the University, regardless of their major or college
- can have access to an account.
- Engineering: ss0.eng.wayne.edu (or nova, or ece, or any solar planet,
- e.g. sun, venus, ...)
- CS: jupiter.cs.wayne.edu, zeus.cs.wayne.edu
- These machines support finger. Most other students' accounts
- are on wu.cc.wayne.edu; try 'finger partial-name@wu.cc.wayne.edu'
- to find information about anyone with "partial-name" in their name.
-
- Wellesley College (Wellesley, Massachusetts)
- FLastname#@lucy.wellesley.edu, where F is first initial, and digit #
- is used only to disambiguate (e.g. JSMITH1). Finger not accepted from
- remote sites. Faculty names never get the #.
-
- Wesleyan:
- Accounts are on eagle.wesleyan.edu. The username is of the
- form FLname, where F is the first initial and Lname is the
- lastname of the individual.
-
- West Chester University:
- Users (at least undergraduates, if not others) are given
- accounts on a machine whose name is the same as the first
- letter of their last name. Usernames are of the form fllllll.
- So John Doe would be jdoe%d%wcu@isn.wcupa.edu. Send mail
- to postmaster@isn.wcupa.edu if you have questions.
-
- West Point, the United States Military Academy
- Host names are of the form usmaX.usma.edu, for X from 1 to 18.
- Try 'finger lastname@host', starting with usma18 (since lower-numbered
- machines tend to refuse a finger connection). Actual mailboxes for
- cadets are of the form xYNNNNCC where x is the letter x, Y is last
- digit of graduating year (e.g. 6 for 1996), NNNN is a student ID code,
- and CC is company (letter-digit, e.g. D4).
-
- Western Montana College
- Try f_llllllll@wmc.edu. This site has no finger server.
- Address: 710 S. Pacific, Dillon, MT 59725
-
- Wheaton College:
- UUCP: tellab5!wheaton!fmllllll
-
- Widener University:
- General: First.Last@cyber.widener.edu (it may also need a
- middle initial)
- CS: lastname@cs.widener.edu
-
- Willamette University, Salem OR:
- userid is <first initial><lastname> (e.g. ksmith)
- up to 8 characters
-
- all students, faculty and staff
- <userid>@willamette.edu
-
- Williams College:
- williams.bitnet. Username is YYFML (YY = year, F = first
- initial, M = middle initial, L = last initial). Some usernames
- have a _C postpended (YYFML_C).
- I believe this machine is vax.cc.williams.edu.
- Williams' postmaster will not give out user ids to outside
- requests.
-
- Worcester Polytechnic Institute:
- @wpi.wpi.edu
-
- Yale:
- Fingering name@directory.yale.edu will give you all Unix people's
- email addresses, as well as their phone numbers. Finger
- Finger@directory.yale.edu for further directions.
-
- Grad CS, Undergrad CS: lastname-firstname@cs.yale.edu (yalecs.bitnet)
-
- Undergrad Accounts (plus faculty & grad students in many non-CS
- Graduate School depts.): LLLFFFM@yalevm.ycc.yale.edu (or
- LLLFFFM@yalevm.bitnet). LLL is the first 3 letters of the last name,
- FFF is the first 3 letters of the first name, and M is the middle
- initial. Users can also request custom names. Mail queries can go to
- consult@yalevm.bitnet or postmaster@cs.yale.edu, as appropriate. Some
- non-CS undergrads can be reached at lastname@minerva.cs.yale.edu.
-
- Medical School: yalemed.bitnet
-
- =======
-
- ;;; *EOF*
- --
- Software Technology Laboratory dalamb@qucis.queensu.ca (David Alex Lamb)
- Computing and Information Science phone: (613) 545-6067
- Queen's University, Kingston, Ontario, Canada K7L 3N6
- Xref: bloom-picayune.mit.edu comp.compression:5212 news.answers:4231
- Path: bloom-picayune.mit.edu!enterpoop.mit.edu!usc!zaphod.mps.ohio-state.edu!caen!uunet!mcsun!julienas!chorus!chorus.fr
- From: jloup@chorus.fr (Jean-loup Gailly)
- Newsgroups: comp.compression,news.answers
- Subject: comp.compression Frequently Asked Questions (part 1/2)
- Summary: *** READ THIS BEFORE POSTING ***
- Keywords: data compression, FAQ
- Message-ID: <compr1_27nov92@chorus.fr>
- Date: 27 Nov 92 14:55:40 GMT
- Expires: 10 Jan 93 16:17:20 GMT
- Sender: news@chorus.chorus.fr
- Reply-To: jloup@chorus.fr
- Followup-To: comp.compression
- Lines: 1762
- Approved: news-answers-request@MIT.Edu
- Supersedes: <compr1_29oct92@chorus.fr>
-
- Archive-name: compression-faq/part1
- Last-modified: Nov 27th, 1992
-
- "I've already explained this once, but repetition is
- the very soul of the net." (from alt.config)
-
- This file is part 1 of a set of Frequently Asked Questions (FAQ) for
- the groups comp.compression and comp.compression.research. Certain
- questions get asked time and again, and this is an attempt to reduce
- the bandwidth taken up by these posts and their associated replies.
- If you have a question, *please* check this file before you post. It
- may save a lot of peoples time.
-
- If you have not already read the overall Usenet introductory material
- posted to "news.announce.newusers", please do.
-
- If you don't want to see this FAQ regularly, please add the
- subject line to your kill file. If you have corrections or suggestions
- for this FAQ, send them to Jean-loup Gailly <jloup@chorus.fr>.
- Thank you.
-
- Part 1 is oriented towards practical usage of compression programs.
- Part 2 is more intended for people who want to know how compression works.
-
- Main changes relative to the previous version:
-
- - added pointer to lossless compression sources, lds_10.zip (item 2)
- - added pointers to Amiga archivers (item 2)
- - shortened a bit the WEB story (item 9)
- - added reference for the V.42bis standard (item 11)
- - added one pointer for arithmetic compression code (item 13)
- - added reference for book on JPEG (item 19)
- - added pointer to sources for fractal compression (item 17)
- - added info on MPEG audio compression (item 26)
-
-
- Contents
- ========
-
- General questions:
-
- [1] What are these newsgroups about?
- [2] What is this .xxx file type?
- Where can I find the corresponding compression program?
- [3] What is the latest pkzip version?
- [4] What is an archiver?
- [5] What is the best general purpose compression program?
- [7] Which books should I read?
- [8] What about patents on data compression algorithms?
- [9] The WEB 16:1 compressor.
- [11] What is the V.42bis standard?
- [12] I need source for the winners of the Dr Dobbs compression contest
- [13] I need source for arithmetic coding
-
- Image and audio compression:
-
- [15] Where can I get image compression programs?
- [16] What is the state of the art in lossless image compression?
- [17] What is the state of fractal compression?
- [18] I need specs and source for TIFF and CCITT group 4 Fax.
- [19] What is JPEG?
- [20] I am looking for source of an H.261 codec.
- [25] Fast DCT (Discrete Cosine Transform) algorithms
- [26] Are there algorithms and standards for audio compression?
-
- Common problems:
-
- [30] My archive is corrupted!
- [31] pkunzip reports a CRC error!
- [32] VMS zip is not compatible with pkzip!
-
- Questions which do not really belong to comp.compression:
-
- [50] What is this 'tar' compression program?
- [51] I need a CRC algorithm
- [52] What about those people who continue to ask frequently asked questions?
- [53] Where are FAQ lists archived?
- [54] I need specs for graphics formats
- [55] Where can I find Lenna and other images?
- [56] I am looking for a message digest algorithm
-
-
- (Long) introductions to data compression techniques (in part 2)
-
- [70] Introduction to data compression (long)
- Huffman and Related Compression Techniques
- Arithmetic Coding
- Substitutional Compressors
- The LZ78 family of compressors
- The LZ77 family of compressors
-
- [71] Introduction to MPEG (long)
- What is MPEG?
- Does it have anything to do with JPEG?
- Then what's JBIG and MHEG?
- What has MPEG accomplished?
- So how does MPEG I work?
- What about the audio compression?
- So how much does it compress?
- What's phase II?
- When will all this be finished?
- How do I join MPEG?
- How do I get the documents, like the MPEG I draft?
-
- [72] What is wavelet theory?
- [73] What is the theoretical compression limit?
- [74] Introduction to JBIG
-
- [99] Acknowledgments
-
- Search for "Subject: [#]" to get to question number # quickly. Some news
- readers can also take advantage of the message digest format used here.
-
- If you know very little about data compression, read question 70 in
- part 2 first.
-
- ------------------------------------------------------------------------------
-
- Subject: [1] What are these newsgroups about?
-
-
- comp.compression is the place to discuss about data compression, both
- lossless (for text or data) and lossy (for images, sound, etc..).
- comp.compression.research was created later to provide a forum for
- current research on data compression and data compression algorithms.
- If you are not experienced in data compression, please post in
- comp.compression only.
-
- If you only want to find a particular compression program for a
- particular operating system, please read first this FAQ and the
- article "How to find sources" which is regularly posted in
- news.answers.
-
- If you can't resist posting such a request, other groups are probably
- more appropriate (comp.binaries.ibm.pc.wanted, comp.sources.wanted,
- comp.sys.mac.wanted, alt.graphics.pixutils). Please post your request
- in comp.compression only as a last resource.
-
- Please do not post any program in binary form to comp.compression.
- Very short sources can be posted, but long sources should be be posted
- to the specialized source groups, such as comp.sources.* or alt.sources.
-
- As for any newsgroups, do not post the same message separately to
- comp.compression and comp.compression.research.
-
- ------------------------------------------------------------------------------
-
- Subject: [2] What is this .xxx file type?
- Where can I find the corresponding compression program?
-
-
- All the programs mentioned in this section are lossless.
- For most programs, one US and one European ftp site are given.
- (wuarchive.wustl.edu: 128.152.135.4, garbo.uwasa.fi: 128.214.87.1)
- Many other sites (in particular wsmr-simtel20.army.mil: 192.88.110.2)
- have the same programs.
-
- To keep this list to a reasonable size, many programs are not
- mentioned here. Additional information can be found in the file
- ux1.cso.uiuc.edu:/doc/pcnet/compression [128.174.5.59] maintained by
- David Lemson (lemson@uiuc.edu). When several programs can handle
- the same archive format, only one of them is given. Sources for
- additional lossless data compressors can be found in
- garbo.uwasa.fi:/pc/programming/lds_10.zip.
-
- For Macintosh programs, look on sumex-aim.stanford.edu:/info-mac [36.44.0.6].
- For VM/CMS, look on vmd.cso.uiuc.edu:/public.477 [128.174.5.98].
- For Atari, look on terminator.cc.umich.edu:/atari/archivers [141.211.164.8]
- For Amiga, look on ux1.cso.uiuc.edu:/pub/amiga [128.174.5.59]
-
- If you don't know how to use ftp or don't have ftp access, read the
- article "How to find sources" which is regularly posted in news.answers.
-
- If you can't find a program given below, it is likely that a newer
- version exists in the same directory. (Tell me <jloup@chorus.fr>)
-
- A very short description of the compression algorithm is given for
- most programs. For the meaning of LZ77, LZ78 and LZW, see question
- 70 in part 2 of the FAQ.)
-
- ext: produced by or read by
-
- .arc: arc, pkarc for MSDOS. (LZW algorithm)
- wuarchive.wustl.edu:/mirrors/msdos/starter/pk361.exe
- garbo.uwasa.fi:/pc/arcers/pk361.exe
-
- arc for Unix
- wuarchive.wustl.edu:/mirrors/misc/unix/arc521e.tar-z
- garbo.uwasa.fi:/unix/arcers/arc.tar.Z
- Contact: Howard Chu <hyc@umix.cc.umich.edu>
-
- arc for VMS
- wuarchive.wustl.edu:/packages/compression/vax-vms/arc.exe
-
- arcmac for Mac
- mac.archive.umich.edu:/mac/utilities/compressionapps/arcmac.hqx
-
- arc for Amiga
- ftp.funet.fi:pub/amiga/fish/001-100/ff070/arc.lha
-
- .arj: arj for MSDOS (LZ77 with hashing, plus secondary static Huffman
- encoding on a block basis)
- Contact: Robert K Jung <robjung@world.std.com>
- wuarchive.wustl.edu:/mirrors/msdos/arc-lbr/arj230.exe
- garbo.uwasa.fi:/pc/arcers/arj230ng.exe
-
- unarj for Unix. Decompresses only. (There is no arj compressor for Unix.
- Don't post a request.)
- wuarchive.wustl.edu:/mirrors/misc/unix/unarj230.tar-z
- garbo.uwasa.fi:/unix/arcers/unarj230.tar.Z
-
- unarj for Mac
- mac.archive.umich.edu:/mac/util/compression/unarjmac.cpt.hqx
-
- unarj for Amiga
- ftp.funet.fi:pub/amiga/utilities/archivers/unarj-0.5.lha
-
- .cpt: Compact Pro for Mac
- sumex-aim.stanford.edu:/info-mac/util/compact-pro-132.hqx [36.44.0.6]
-
- .gif: gif files are images compressed with the LZW algorithm. See the
- comp.graphics FAQ list for programs manipulating .gif files. See
- suffix .Z below for source of LZW.
-
- .hqx: Macintosh BinHex format.. (BinHex is *not* a compression program,
- it is similar to uuencode but handles multiple forks.)
- for Mac:
- mac.archive.umich.edu:/mac/utilities/compressionapps/binhex4.0.bin
-
- for Unix:
- sumex-aim.stanford.edu:/info-mac/unix/mcvert-165.shar [36.44.0.6]
-
- .lha:
- .lzh: lha for MSDOS (LZ77 with a trie data structure, plus secondary static
- Huffman coding on a block basis)
- wuarchive.wustl.edu:/mirrors/msdos/arc-lbr/lha213.exe (exe)
- wuarchive.wustl.edu:/mirrors/msdos/arc-lbr/lha211sr.zip (sources)
- garbo.uwasa.fi:/pc/arcers/lha213.exe
-
- lharc for Unix. (LZ77 with hash table and binary trees, plus secondary
- Huffman coding)
- Warning: lharc can extract .lzh files created by
- lharc 1.xx but not those created by lha. See lha for Unix below.
- wuarchive.wustl.edu:/mirrors/misc/unix/lharc102a.tar-z
- garbo.uwasa.fi:/unix/arcers/lharcsrc.zoo
-
- lharc for VMS. Same warning as for Unix lharc.
- wuarchive.wustl.edu:/packages/compression/vax-vms/lharc.exe
-
- lha for Unix. Warning: all doc is in Japanese.
- wuarchive.wustl.edu:/mirrors/misc/unix/lha101u.tar-z
- garbo.uwasa.fi:/unix/arcers/lha-1.00.tar.Z
- Contact: lha-admin@oki.co.jp
-
- lha for Mac
- mac.archive.umich.edu:/mac/utilities/compressionapps/maclha2.0.cpt.hqx
-
- lha for Amiga
- ftp.funet.fi:pub/amiga/utilities/archivers/LhA_e138.run
-
-
- .pak: pak for MSDOS (LZW algorithm)
- wuarchive.wustl.edu:/mirrors/msdos/arc-lbr/pak251.exe
- garbo.uwasa.fi:/pc/arcers/pak251.exe
-
- .pit: PackIt (Macintosh)
- for Mac:
- sumex-aim.stanford.edu:/info-mac/util/stuffit-151.hqx [36.44.0.6]
-
- for Unix:
- sumex-aim.stanford.edu:/info-mac/unix/mcvert-165.shar [36.44.0.6]
-
- .pp: PowerPacker (Amiga)
- ftp.funet.fi:pub/amiga/fish/501-600/ff561/PPLib.lha
-
- .sea: self-extracting archive (Macintosh)
- Run the file to extract it. The self-extraction code can be
- removed with:
- mac.archive.umich.edu:/mac/utilities/compressionapps/desea1.11.cpt.hqx
-
- .sit: Stuffit for Macintosh
- for Mac:
- sumex-aim.stanford.edu:/info-mac/util/stuffit-lite-30.hqx [36.44.0.6]
-
- for Unix:
- sumex-aim.stanford.edu:/info-mac/unix/unsit-15.shar [36.44.0.6]
-
- for Amiga:
- ftp.funet.fi:pub/amiga/utilities/archivers/unsit-1.5c2.lha
-
- .tar: tar is *not* a compression program. However, to be kind for you:
- for MSDOS
- wuarchive.wustl.edu:/mirrors/msdos/starter/tarread.exe
- garbo.uwasa.fi:/pc/unix/tar4dos.zoo
-
- for Unix
- tar (you have it already. To extract: tar xvf file.tar)
-
- for VMS
- wuarchive.wustl.edu:/packages/compression/vax-vms/tar.exe
-
- for Macintosh
- sumex-aim.stanford.edu:/info-mac/util/tar-30.hqx
-
- for Amiga:
- ftp.funet.fi:pub/amiga/fish/401-500/ff445/Tar.lha
-
- .tar.Z, .tar-z, .taz: tar + compress
- For Unix: zcat file.tar.Z | tar xvf -
- with GNU tar: tar xvZf file.tar.Z
- Other OS: first uncompress (see .Z below) then untar (see .tar above)
-
- .zip: pkzip 1.10 for MSDOS. (LZ77 with hashing, plus secondary static
- Shannon-Fano encoding on whole file)
- Contact: pkware.inc@mixcom.com
- wuarchive.wustl.edu:/mirrors/msdos/zip/pkz110eu.exe.
- garbo.uwasa.fi:/pc/arcers/pkz110eu.exe.
- Note: pkz110eu.exe is an 'export' version without encryption.
-
- pkzip 1.93a for MSDOS. (LZ77 with hashing, plus secondary static
- Huffman coding on a block basis)
- Note: pkzip 1.93a is an alpha version, see item 3 below.
- ux1.cso.uiuc.edu:/pc/exec-pc/pkz193a.exe [128.174.5.59]
- ftp.tu-clausthal.de:/pub/msdos/archive/pkz193a.exe
-
- zip 1.9p1 and unzip 5.0 for Unix, MSDOS, VMS, OS/2, Atari, Mac, Amiga,...
- Compatible with pkzip 1.93a (LZ77 with hashing, plus secondary static
- Huffman coding on a block basis)
- Contact: zip-bugs@wkuvx1.bitnet
- oak.oakland.edu:/pub/msdos/zip/zip19p1.zip (source)
- oak.oakland.edu:/pub/msdos/zip/zip19p1x.zip (MSDOS exe)
- oak.oakland.edu:/pub/msdos/zip/unzip50.zip (source)
- oak.oakland.edu:/pub/misc/unix/unzip50.tar-z (tar.Z source)
- oak.oakland.edu:/pub/msdos/zip/unzip50.exe (MSDOS exe)
- quest.jpl.nasa.gov:/pub/AMIGA/unz51dx.* (Amiga exe)
- quest.jpl.nasa.gov:/pub/AMIGA/zip19hx.zip (Amiga exe)
- wuarchive.wustl.edu:/mirrors/garbo.uwasa.fi/arcutil/zcrypt19.zip
- (encryption source. Non US residents must get it from garbo,see below)
-
- garbo.uwasa.fi:/unix/arcers/zip19p1.zip
- garbo.uwasa.fi:/unix/arcers/unzip50.tar.Z.
- garbo.uwasa.fi:/pc/arcutil/zcrypt19.zip (encryption code)
-
- .zoo: zoo 2.10 for MSDOS (algorithm copied from that of lha, see lha above)
- Contact: Rahul Dhesi <dhesi@cirrus.com>
- wuarchive.wustl.edu:/mirrors/msdos/zoo/zoo210.exe
- garbo.uwasa.fi:/pc/arcers/zoo210.exe
-
- zoo 2.10 for Unix, VMS
- wsmr-simtel20.army.mil:pd8:<misc.unix>zoo210.tar-z [192.88.110.2]
- garbo.uwasa.fi:/unix/arcers/zoo210.tar.Z
-
- zoo for Mac
- mac.archive.umich.edu:/mac/utilities/compressionapps/maczoo.sit.hqx
-
- zoo for Amiga
- ftp.funet.fi:pub/amiga/utilities/archivers/Zoo-2.1.lha
-
- .F: freeze for Unix (LZ77 with hashing, plus secondary dynamic Huffman
- encoding)
- wuarchive.wustl.edu:/usenet/comp.sources.misc/volume25/freeze/part0[1-2].Z
- ftp.inria.fr:/system/arch-compr/freeze-2.3.4.tar.Z
- Contact: Leonid A. Broukhis <leo@s514.ipmce.su>
-
- .Y: yabba for Unix, VMS, ... (Y coding, a variant of LZ78)
- wuarchive.wustl.edu:/usenet/comp.sources.unix/volume24/yabbawhap/part0[1-4].Z
- ftp.inria.fr:/system/arch-compr/yabba.tar.Z
- Contact: Dan Bernstein <brnstnd@nyu.edu>
-
- .Z: compress for Unix ('the' LZW algorithm)
- It is likely that your Unix system has 'compress' already. Otherwise:
- wuarchive.wustl.edu:/packages/compression/compress-4.1.tar
- (not in .Z format to avoid chicken and egg problem)
-
- compress for MSDOS
- wuarchive.wustl.edu:/mirrors/msdos/compress/comp430[ds].zip
- garbo.uwasa.fi:/pc/unix/comp430d.zip
-
- compress for Macintosh
- sumex-aim.stanford.edu:/info-mac/util/maccompress-32.hqx
-
- compress for Amiga
- ftp.funet.fi:pub/amiga/utilities/archivers/compress-4.1.lha
-
- compress for Vax/VMS
- wuarchive.wustl.edu:/packages/compression/vax-vms/lzcomp.exe
- wuarchive.wustl.edu:/packages/compression/vax-vms/lzdcmp.exe
-
- ------------------------------------------------------------------------------
-
- Subject: [3] What is the latest PKZIP version?
-
- The latest official version is still pkzip 1.10. An alpha version
- 1.93a has been released in Oct 91 but pkzip 2.x is not officially
- released at the time of writing (Nov 27th 1992). From the PKWARE BBS
- (June 92): "PKZIP 2.0 is expected to be released sometime in the next
- few months, as soon as possible".
-
- See item 2 above for ftp locations of pkzip 1.10 and 1.93a. There
- have been several bogus versions uploaded to some BBS's. Some
- information is included below.
-
- The Computer Incident Advisory Capability
- INFORMATION BULLETIN
-
- PKZIP Trojan Alert
-
- PROBLEM: Bogus versions of the PKZIP archiving software have been
- released to Bulletin Board Systems (BBS).
- PLATFORM: PCs running PC-DOS, or MS-DOS
- DAMAGE: One version attempts to erase the hard disk.
- DETECTION: Look for the files: PKZ201.ZIP, PKZ201.EXE, PKZIPV2.ZIP, or
- PKZIPV2.EXE
- REMOVAL: Save a copy of the files for CIAC, then delete the files. Do
- not extract or run these files.
-