Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!asuvax!ukma!usenet.ins.cwru.edu!thor!chet From: chet@thor.INS.CWRU.Edu (Chet Ramey) Newsgroups: comp.unix.shell Subject: Re: shells? Message-ID: <1991Apr17.142948.20262@usenet.ins.cwru.edu> Date: 17 Apr 91 14:29:48 GMT References: <1455@irit.irit.fr> <1991Apr17.101443.4196@athena.mit.edu> Sender: news@usenet.ins.cwru.edu Reply-To: chet@po.CWRU.Edu Organization: Case Western Reserve Univ. Cleveland, Ohio, (USA) Lines: 18 Nntp-Posting-Host: thor.ins.cwru.edu In article <1991Apr17.101443.4196@athena.mit.edu> jik@athena.mit.edu (Jonathan I. Kamens) writes: >In the bourne shell, a fork and exec would have to take place to run "test" to >perform the test. In the korn shell, the test is performed in the shell >process. In all but truly ancient versions of /bin/sh, or perhaps in Research Unix versions, (I do not have my manuals handy to check), test is built in. Chet -- Chet Ramey Internet: chet@po.CWRU.Edu Case Western Reserve University NeXT Mail: chet@macbeth.INS.CWRU.Edu ``Now, somehow we've brought our sins back physically -- and they're pissed.''