New TIL articles on Mac OS X: March 29, 2001

106242: Mac OS X 10.0: Available/Used Disk Space Does Not Appear in Show Info states: "The Show Info window does not display available or used disk space when the disk is selected from the desktop."

106244: Mac OS 9.1: Installing after Mac OS X 10.0 on the Same Disk explains that you will have to use the Clean Install option to avoid getting an error message.

106249: Mac OS X 10.0: Unexpected Classic Behavior When Using Mac OS 9.1 All or Base Extension Sets states: "Because the Mac OS 9.1 All and Base extension sets do not include items added by Classic, you may see strange or unexpected behaviors in Classic when either of these sets is in use." The article explains how to create a custom set that includes the "missing" extensions.

Extensions can prevent Classic form loading More generally, be aware that some third party extensions are incompatible with being run from Classic and may prevent Classic from launching in Mac OS X (you will likely get a freeze where the launch never completes - requiring a force quit to stop). You will need to experiment with disabling extensions to find the offending file.

iTools iDisk: Mac OS X 10.0 Anomalies TIL article #25272 admits: "When using iDisk with Mac OS X 10.0, certain anomalies may appear in the iDisk window after copying a file or when viewing the iDisk in column mode. The solution is to disconnect the iDisk and then reconnect it." The articles describes the "anomalies."

iTools iDisk: Maximum Filename Length is 31 Characters TIl article #25273 states: "Files stored on your iDisk must have a filename that is 31 characters or less."

iTools Email: POP3, IMAP Protocols and Mac OS X 10.0 TIL article #25275 presents a discussion of the IMAP email protocol, how it differs from the POP3 protocol, and how it is implemented with iTools and Mac OS X 10.0.

Mac OS X 10.0: Included 9.1 CD Cannot Start Up Latest Computers TIL article #106236 confirms (as we have previously reported): "The Mac OS 9.1 CD-ROM included with Mac OS X does not start up computers introduced in early 2001."

Mac OS X 10.0: Restricted Access in Applications, Library, and System Folders TIL article #106237 briefly explains why: "When moving or copying items in certain folders (including Applications, Library, and System) a message may appear stating that you cannot perform the operation." We cover this as well in our OS X Basics articles.

Mac OS X 10.0: iSub Makes No Sound TIL article #106238 states: "Apple is aware of this issue and may address it in a later version of software."

Mac OS X 10.0, iMac (233 MHz to 333 MHz): Use Headphone Jack Instead of Sound Output Port TIL article #106239 states: "When started up from Mac OS X, there is no audio signal from the sound output port on the side of the iMac." This may explain many of the "no sound" problems previously reported on MacFixIt.

Mac OS X 10.0: Do Not Use "root" as a User Name TIL article #106240 states: "The name "root" is reserved for system purposes and should not be used. The name "root" is reserved for system use in UNIX-like operating systems. Conflicts between the operating system's root user and your "root" user can arise if you choose this name."

Mac OS X 10.0: Generic Folders Appear in the Dock and Applications Folder TIL article #106241 acknowledges: "Under certain conditions, applications appear as generic folders in the Dock and the Applications folder." The solution is to delete three files (LSApplications, LSClaimedTypes, LSSchemes) from the affected users Library/Preferences folder and logout and relogin.