Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.unix.questions
Subject: Re: Shared libraries
Message-ID: <1990Jan9.003208.6061@virtech.uucp>
Date: 9 Jan 90 00:32:08 GMT
References: <941@targon.UUCP>
Organization: Virtual Technologies Inc.
Lines: 34

In article <941@targon.UUCP>, ruud@targon.UUCP (Ruud Harmsen) writes:
> What exactly are shared libraries?  What UNICes have them?

System V.3+, Sun OS (not sure which verson) to name a couple.

>  Does it mean that
> frequently used libraries are no longer compiled into the executable, but
> reside only in the library?

Yup

> Does this save space on disk,

Yup, lots.

> or also at runtime, in core?

Yup

> Can you do it only with standard libraries, or also with
> your own?

Both.

> Is it any slower or faster than the normal way?

Slower link and program initialization, but from then on execution time
should be the same.

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