UNIX Use in CS5604

Electronic Mail

• Send to instructor, read messages from instructor
• Access remote info, such as netlib, by sending email request
• Put "CS5604" in subject of message
• Put your login ID in each msg

Path and Environment

• For convenience, copy ~fox/.login to your .login file

Useful Commands - on vtaix and video

• acroread (Acrobat Reader - also launched by Netscape)
• archie - search for software on Internet
• cd (change directory)
• elm (mail reader that handles MIME enclosures)
• emacs (extensible editor)
• gopher (browse in gopher-space - internet-wide menus)
• image processing commands
  • cjpeg: compress PPM file to JPEG
  • djpeg: decompress PPM file from JPEG
  • ghostview: X interface to view PostScript files
  • xloadimage: X interface to view certain types of image files
  • xv: X interface to view and manipulate image files
• logout (or "exit" to end your session)
• ls (list files, or "ls -l" for more details)
• man (find out about a command)
• mkdir (make a directory)
• netscape (WWW browser)
• rm (remove a file)
• /usr/local/bin for other executable routines
• vi (popular UNIX editor)

Where to Look on Various Computers

• vtaix.cc.vt.edu
  • wais (index, q, retrieve, search, server, ...): distributed IR
  • xarchie: X interface to archie
  • xtiff: X interface to view TIFF images
  • xwais: X interface to WAIS, with relevance feedback searching, text DBs on internet
• video.cs.vt.edu
  • kms (powerful hypertext system on video)
  • ~kmssys/kmsdoc for KMS documentation in PostScript
  • sgmls: checker or translator for SGML files
  • sqhm: SGML type editor adapted to HTML
  • /u4/abs for abstracts of Digital Library entries
  • /u4/bib for BibTeX files for entries with key starting A-L (newest1.bib) or M-Z (newest2.bib)
  • /u4/pages for page images