Big Dummy's Guide To The Internet by Electronic Frontier Foundation (early reader chapter books .txt) π
When you tell your communications software to capture a screen, it opens a file in your computer (usually in the same directory or folder used by the software) and "dumps" an image of whatever happens to be on your screen at the time.
Logging works a bit differently. When you issue a logging command, you tell the software to open a file (again, usually in the same directory or folder as used by the software) and then give it a name. Then, until you turn off the logging command, everything that scrolls on your screen is copied into that file, sort of like recording on videotape. This is useful for capturing long documents that scroll for several pages -- using screen capture, you would have to repeat the same command for each new screen.
Terminal emulation is a way for your computer to mimic, or emulate, the way other computers put information on the screen and accept commands from a keyboard. In general, most systems on the Net
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anthropomorphized acronyms for their machines (not far from Harvard, the
librarians at Brandeis University came up with Library On-Line User
Information Service, or Louis; MIT has Barton).
If you want to do some general browsing, probably the best bet on the
Harvard system is to choose HU, which gets you access to their main
holdings, including those of its medical libraries. Choose that, and youβll
see this:
THE HARVARD UNIVERSITY LIBRARY UNION CATALOG
To begin a search, select a search option from the list below and type its
code on the command line. Use either upper or lower case.
AU Author search
TI Title search
SU Subject search
ME Medical subject search
KEYWORD Keyword search options
CALL Call number search options
OTHER Other search options
For information on the contents of the Union Catalog, type HELP.
To exit the Union Catalog, type QUIT.
A search can be entered on the COMMAND line of any screen.
ALWAYS PRESS THE ENTER OR RETURN KEY AFTER TYPING YOUR COMMAND.
Say you want to see if Harvard has shed the starchy legacy of the
Puritans, who founded the school. Why not see if they have βThe Joy of
Sexβ somewhere in their stacks? Type
TI Joy of Sex
and hit enter. This comes up:
HU: YOUR SEARCH RETRIEVED NO ITEMS. Enter new command or HELP. You typed:
TI JOY OF SEX
ALWAYS PRESS THE ENTER OR RETURN KEY AFTER TYPING YOUR COMMAND.
OPTIONS: FIND START β search options HELP
QUIT β exit database
COMMAND?
Oh, well! Do they have anything that mentions βsexβ in the title? Try
another TI search, but this time just: TI sex. You get:
HU GUIDE: SUMMARY OF SEARCH RESULTS 2086 items retrieved by your search:
FIND TI SEX
------------------------------------------------------------------------------
1 SEX
2 SEX A
823 SEXA
827 SEXBO
831 SEXCE
833 SEXDR
834 SEXE
879 SEXIE
928 SEXJA
929 SEXLE
930 SEXO
965 SEXPI
968 SEXT
1280 SEXUA
2084 SEXWA
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