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2 definitions found
From The Free On-line Dictionary of Computing (05 January 2017) [foldoc]:
ALgorIthmic ASsembly language
ALIAS
(ALIAS) A machine oriented variant of BLISS.
ALIAS was implemented in BCPL for the PDP-9.
["ALIAS", H.E. Barreveld, Int Rep, Math Dept, Delft U Tech,
Netherlands, 1973].
(1997-03-13)
From The Free On-line Dictionary of Computing (05 January 2017) [foldoc]:
alias
1. A name, usually short and easy to
remember and type, that is translated into another name or
string, usually long and difficult to remember or type. Most
command interpreters (e.g. Unix's csh) allow the user to
define aliases for commands, e.g. "alias l ls -al". These are
loaded into memory when the interpreter starts and are
expanded without needing to refer to any file.
2. One of several alternative hostnames with
the same Internet address. E.g. in the Unix hosts
database (/etc/hosts or NIS map) the first field on a line
is the Internet address, the next is the official hostname
(the "canonical name" or "CNAME"), and any others are
aliases.
Hostname aliases often indicate that the host with that alias
provides a particular network service such as archie,
finger, FTP, or web. The assignment of
services to computers can then be changed simply by moving an
alias (e.g. www.doc.ic.ac.uk) from one Internet address to
another, without the clients needing to be aware of the
change.
3. The name used by Apple computer, Inc. for
symbolic links when they added them to the System 7
operating system in 1991.
(1997-10-22)
4. Two names (identifiers), usually of local
or global variables, that refer to the same resource
(memory location) are said to be aliased. Although names
introduced in programming languages are typically mapped to
different memory locations, aliasing can be introduced by
the use of address arithmetic and pointers or
language-specific features, like C++ references.
Statically deciding (e.g. via a program analysis executed by a
sophisticated compiler) which locations of a program will be
aliased at run time is an undecidable problem.
[G. Ramalingam: "The Undecidability of Aliasing", ACM
Transactions on Programming Languages and Systems (TOPLAS),
Volume 16, Issue 5, September 1994, Pages: 1467 - 1471,
ISSN:0164-0925.]
(2004-09-12)