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- Xref: sparky comp.unix.misc:4795 alt.amateur-comp:438
- Newsgroups: comp.unix.misc,alt.amateur-comp
- Path: sparky!uunet!psinntp!ficc!peter
- From: peter@ferranti.com (peter da silva)
- Subject: Re: What makes Unix Special?
- Message-ID: <id.A6CW.NS3@ferranti.com>
- Organization: Xenix Support, FICC
- References: <1992Dec31.062544.5838@news.columbia.edu>
- Date: Fri, 1 Jan 1993 22:09:15 GMT
- Lines: 27
-
- In article <1992Dec31.062544.5838@news.columbia.edu> hauben@cunixf.cc.columbia.edu (Michael Hauben) writes:
- > I can appreciate Unix's power as a command-oriented operating
- > system, but don't recognize what makes Unix so special.
-
- Oh, that's simple: it's simple. There are a handful of simple and powerful
- interfaces that when combined cover virtually every requirement an operating
- system might have to meet. Not only that, but it's safe... if you make a
- mistake in programming, the mistake usually becomes obvious fairly quickly
- and the damage is limited. Kill a process, and all the resources it held
- are freed... this was a major advance over previous operating systems
- where killing a process would leave files locked or in an incomplete state,
- memory or disk storage lost in the cracks until you restarted the system
- or ran diagnostics, and so on. Even today you can't take for granted the
- ability to diddle with an executing program with impunity.
-
- There are flaws... but most of the competitors share the same flaws to
- some extent, and most of them have all sorts of magic you must understand
- before you start programming. The magic in UNIX is usually invisible to
- application programs, hidden away under system administration. The biggest
- problems in UNIX lie here, and in low quality implementations of common
- applications. Resolving that is a matter of engineering discipline, not
- any technical shortcoming of UNIX itself.
- --
- Peter da Silva `-_-'
- Ferranti International Controls Corporation 'U`
- Sugar Land, TX 77487-5012 USA
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