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- Extensions Manager is © Copyright 1990-93 Apple Computer, Inc. All Rights Reserved.
- by Ricardo Batista. Central Software Group, MSD.
-
- Extensions Manager and EM Extension are free software and can be distributed
- freely by individuals. For Commercial distribution or bulletin board
- distribution please contact Apple Software Licensing.
-
- EM is distributed "As is" and unsupported by Apple. Please don't call
- Apple for technical support.
-
- ••••••••••••••••••••••• QUICK DESCRIPTION: ••••••••••••••••••••••
-
- Extensions Manager allows you turn "off" or "on" the code that executes
- at startup in certain "extension documents" such as Control Panels,
- Chooser devices and INITs (known before as startup documents). It also
- allows you to choose which font files should be opened under System 7.1
- EM is also PowerBook aware, a couple of features are specially useful to
- PowerBook users.
-
- With System 7.x there are a few folders where system extensions can be
- located, therefore the old style "INIT Managers" do not work well.
-
- ••••••••••••••••••••••••••• FEATURES •••••••••••••••••••••••••••••
-
- Extensions Manager is made with System 7.0 in mind. The main features of
- Extensions Manager are:
-
- 1) System 7.1 folder structure aware. Still compatible with system 6.0.x
- 2)* PowerBook aware, a special option automatically enables or disables
- a network set based on the network availability. Another option
- brings up EM at startup every time if you want to.
- 3)* You can add and remove your own file types. This is very useful for
- adding other file types which you consider extend your system
- such as debuggers, startup applications and aliases.
- 4)* Extension sets. Extension sets allow you to quickly enable or disable
- a collection of extensions for which you have given a name. Sets consist
- of a name and a number of file types. Therefore the name of an extension
- can be changed without having to recreate a set and without worrying about
- the location of an extension.
- 5)* The Startup Items and Fonts folder are now included in EM. The standard
- alias type for applications has also been included so you can prevent
- applications from starting automatically whenever you want to.
- 6) Context sensitive help in all dialogs. (aka Balloon Help)
- 7) Icons do not get lost when disabling a system extension.
- 8) Updated as necessary. (while makes sense)
- 9) System 4.2 to 7.1 compatibility
-
- CURRENT VERSION ====> 2.0.1
-
-
- •• What is NEW in 2.0
-
- 1) Finally, use an international routine for sorting the extension names.
- 2) Show folder names in the extension list for reference.
- 3) When a duplicate file is found, give the option to delete the unwanted target file.
- 4) Include the Fonts folder from 7.1
- 5) Allow for keyboard selection of extension names. When you type a key, EM finds the first
- extension that starts with that letter. If you type the key again EM skips to next folder
- and finds the first file or folder name that begins with that letter and so on...
- 6) Two new options specially useful for PowerBook users:
- a) Give the option to always come up at startup.
- b) Optionally enable or disable a set called "Network" based on
- the state of the network. When this option is enabled and the network
- is available, enable those extensions in the set. If the network is
- not available then EM disables those extensions. You must first create
- a set called "Network" for this function to work.
-
- • 2.0.1
- Fixed a bug where some items in the "Network" set would not be enabled/disabled.
-
- •••••••••••••••••••••••••• OVERVIEW ••••••••••••••••••••••••
-
- Open the Extensions Manager and you will see a list of your system extensions.
- Highlited extensions are enabled. Before each set of extensions you will find
- the name of the main folder where they belong in bold-italics, this items is just
- for reference and cannot be selected. To enable an extension click on its name
- so it becomes highlited, to disable an extension click on its name so it
- shows unhilighted.
-
- A popup menu allows to save the currently highlited set of extensions
- as a set. This menu also allows you to enable, disable and delete sets.
-
-
-
- To customize the file types EM designates as extensions first click in the
- "Options..." button.
-
- • Options... Dialog
-
- The "Configure" button in the Options dialog shows you two lists of file
- types. The first one is designate as files which require an INIT resource
- in order to be recognized as an extension. The other list contains the
- file types for files which are considered an extension without the need
- for an INIT resource to be present in them. In this list you can add
- aliases, debuggers, etc.
-
- Another option in this dialog is to have EM always come up automatically, this
- may be useful for PowerBook users.
- The last option is to automatically enable or disable a set called "Network" based
- on the state of the network at the time your Mac is starting. First disable all
- extensions, then select the extensions you want to be part of the "Network" set
- and from the pop-up menu select "Create Set...". Type in the name "Network". Now
- you have a "Network" set. Click Revert on the EM Control Panel so that you do
- not change your existing configuration after you close EM. Then click on the button
- called "Options" and check the option for the network set.
-
-
- • More... Dialog
-
- When you click on the "More..." button, you get to see a description of what
- EM does and you get access the recover extensions option:
-
- The "Recover Extensions" button in the version dialog scans for extensions
- disabled by old style "INIT" Managers. The old style INIT Managers used to
- change the file type of an extension so it would not be recognized as an
- extension anymore. Many times people would give someone a copy of an
- extension that had been disabled by this method and the result is confusion
- and frustration because the file does nothing for the new user.
- The recovering process consists of changing the file type of modified
- extensions to its original state.
-
-
- • Enabling Extensions at Startup
-
- To enable or disable extensions at startup simply keep the space bar down
- while your computer is starting. Extensions Manager will show its window
- an allow you to enable and disable extensions before the start process
- continues. If you need to restart your computer because some extension
- or debugger loaded already, keep the command key down while closing the
- EM window. This function only works when EM is invoked at Startup.
- Optionally you have EM come up every time automatically by selecting the
- appropriate option under the Options dialog.
-
- This release includes an extension called "EM Extension". Its purpose
- is to provide an early way to provide you with the extension enabling/disabling
- aid. This was done because under system 7.x the Extensions Folder is scanned
- first, then the Control Panels folder and finally the System Folder.
- Since Extensions Manager is a Control Panel by the time it gets executed many
- extensions have already been loaded. EM Extension simply calls Extensions
- Manager earlier in the boot process when the space bar is held down.
- EM Extension is useful only if you are using System 7.x
-
-
-