06-12-2001
MacOSX and Unix
While I'm completely new to Unix, I've read quite a bit on Mac's new OSX and it's relation to Unix. OSX is an evolutionary modification of the FreeBSD kernel complete with a very fast and fluid GUI using Adobe's Portable Document Format for it's screen preview. Apple calls this propietary modification of FreeBSD "Darwin." Knowing very little about the functionality of Unix and based solely on what I've read, Mac OSX is 100% Unix-based. OSX comes with it's own command-line terminal for programming or accessing core elements of the OS. It also fully supports Java development and ships with one entire disk dedicated to Application Development Tools (primarily using Java as well as tools to build OSX applications with the Aqua interface. There are two types of apps on OSX, Carbon and Cocoa.
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OSX(1) osx OSX(1)
NAME
osx - An SGML System Conforming to International Standard ISO 8879 -- Standard Generalized Markup Language
SYNOPSIS
osx [-Cehilprvx] [-bencoding] [-ccatalog_file] [-Ddirectory] [-ffile] [-wwarning_type] [-xxml_output_option...] [sysid...]
DESCRIPTION
osx converts SGML to XML. osx parses and validates the SGML document contained in sysid and writes an equivalent XML document to the stan-
dard output. osx will warn about SGML constructs which have no XML equivalent.
OPTIONS
The following options are available:
-bencoding
Use encoding for output. By default osx uses UTF-8.
-cfile
Use the catalog entry file file.
-C
This has the same effect as in onsgmls(1).
-Ddirectory
Search directory for files specified in system identifiers. This has the same effect as in onsgmls(1).
-e
Describe open entities in error messages.
-ffile
Redirect errors to file. This is useful mainly with shells that do not support redirection of stderr.
-iname
This has the same effect as in onsgmls(1).
-v
Print the version number.
-wtype
Control warnings and errors according to type. This has the same effect as in onsgmls(1).
-xxml_output_option
Control the XML output according to the value of xml_output_option as follows:
no-nl-in-tag Don't use newlines inside start-tags. Usually osx uses newlines inside start-tags so as to reduce the probability of
excessively long lines.
id Output attribute declarations for ID attributes.
notation Output declarations for notations.
ndata Output declarations for external data entities. XML requires these to be NDATA. osx will warn about CDATA and SDATA external
data entities and output them as NDATA entities.
cdata Use XML CDATA sections for CDATA marked sections and for elements with a declared content of CDATA.
comment Output comment declarations. Comment declarations in the DTD will not be output.
lower Prefer lower case. Names that were subjected to upper-case substitution by SGML will be folded to lower case. This does not
include reserved names; XML requires these to be in upper-case.
pi-escape Escape &<> in the contents of processing instructions using the amp, lt and gt entities. This allows processing instruc-
tions to contain the string >?, but requires that applications handle the escapes.
empty Use the <e/> syntax for element types e declared as EMPTY.
attlis Output an ATTLIST declaration for every element specifying the type of all attributes. The default will always be #IMPLIED.
Multiple -x options are allowed.
SEE ALSO
onsgmls(1)
AUTHORS
James Clark, Jane Peers <jane.peers@looksystems.co.uk>.
OpenJade January 2002 OSX(1)