Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!tut.cis.ohio-state.edu!att!mcdchg!ddsw1!ddsw1!andyross From: andyross@ddsw1.MCS.COM (Andrew Rossmann) Newsgroups: comp.sys.ibm.pc Subject: Re: What is 4DOS? Message-ID: <25a9370e:7947.1comp.ibmpc;1@ddsw1.MCS.COM> Date: 9 Jan 90 01:00:12 GMT References: <111700191@uxa.cso.uiuc.edu> Lines: 26 >Item: 7947 by lmhg0369 at uxa.cso.uiuc.edu (0 responses) >Author: [] > Subj: Re: What is 4DOS? > Keyw: > Date: Mon Jan 08 1990 17:24 >Along with all this talk about 4DOS... > >I gave the docs a cursory look and installed it on my AT clone. One thing >disconcerting is that the first time I do a 'dir' it takes at least a second >or >two just sitting there before it spits anything out to the screen. Subsequent >dirs for the same directory occur at a speed I consider reasonable. > >Is this performance normal? This is normal. 4DOS reads the entire directory before displaying it. This is so it can sort it! It goes faster the second time around because it is probably already in the buffers, not to mention that the disk free space has already been determined (Under COMMAND.COM, the first directory read will pause at the end before telling you the amount of free space.) >L. Haskins -- lmhg0369@uxa.cso.uiuc.edu Andrew Rossmann andyross@ddsw1.MCS.COM