Arrow Knight Mac OS

Today’s hint is for those who spend a fair bit of time in Terminal. If you do, you’re probably aware that Terminal tracks your command history—that is, it keeps a record of the commands you’ve used, and you can scroll through those historical commands. Press the Up Arrow key from the command prompt, and you’ll see the most-recently used command; each additional press moves further back through history, and the Down Arrow key moves forward in the history file.

• Arrow Knight Mac Os Catalina
• Arrow Knight Mac Os Update

There are a couple tricks to getting even more out of this history file, though. First, you can search through it by pressing Control-R to bring up the (reverse-i-search) prompt. Once the prompt appears, enter a portion of the command name you’d like to find, ssh for instance, and then just keep pressing Control-R to see each match in the history file. When the one you want to re-use appears, press Return to execute the command.

While this is nice, it’s a bit of a pain to press Control-R. So another option, and the focus of this hint, is to give the Up Arrow and Down Arrow keys another role: they’ll do what Control-R does, but only when you’ve already started typing a command.

1. Title Developer/publisher Release date Genre License Mac OS versions A-10 Attack! Parsoft Interactive 1995 Flight simulator Abandonware 7.5–9.2.2.
2. 1987: Apple Introduces the Mac II and SE. Daniel Knight - 2003.03.04. This article updated and republished as 20 Years of Expandable Macs Started with the Macintosh SE and II in 1987, published on March 2, 2007. March 2, 1987 marked a paradigm shift in Mac history.
3. ARROW ® MAC (Multi-Lumen Access Catheter) with ARROWg+ard ® Blue Technology. The ARROW ® MAC with ARROWg+ard ® Blue Technology is a unique product designed to meet the needs of a variety of patient types — from trauma to cardiac. The catheter combines the access of a sheath introducer with the high-flow lumens of a central line.

So in normal use, if you haven’t started typing a command, the Up Arrow key will show the last-used command. But if you start typing a command, then the Up Arrow key will actually run a search of the command history, and show the last-used command that begins with the letters you’ve already typed. (This is subtly different than Control-R, which finds the string you’ve typed anywhere within a previously-used command. I think this difference, though, actually makes this hint more useful.)

The Macintosh Plus computer is the third model in the Macintosh line, introduced on January 16, 1986, two years after the original Macintosh and a little more than a year after the Macintosh 512K, with a price tag of US$2599. As an evolutionary improvement over the 512K, it shipped with 1 MB of RAM standard, expandable to 4 MB, and an external SCSI peripheral bus, among smaller improvements.

To make this work, you need to edit your user’s .profile file, which is in the top level of your user’s folder. Open Terminal, and type nano .profile. If you have an existing file, it will open for editing; otherwise, you’ll see a blank screen.

Add these two lines to the file, but note you can’t copy and paste these lines, as there are special characters in there (which I’ll explain how to enter).

The special characters are represented by the ^[[A and ^[[B bits on each line. These are, respectively, the Up Arrow and Down Arrow keys. So how do you type them in nano?

Copy and paste the first part of each line above (bind '), and then press Escape-V. When you do, you’ll see a little tag at the bottom of the window that reads [ Verbatim Input ]. Now press the Up Arrow (or Down Arrow, depending on the line), and you’ll see the above codes appear (and you’ll exit Verbatim Input mode when you press the arrow key). After that, just copy and paste the rest of each line, and you’re done.

Save the file by pressing Control-X (for exit), Y (for yes to save changes), and Return (to accept the filename). Now just open a new Terminal window, type out part of a command you use a lot, and experiment with the Up Arrow and Down Arrow keys for browsing through the command-specific history.

If you decide you dislike this feature, just edit the .profile file again and remove the two lines you added. Personally, though, I much prefer this method of browsing through command-specific history.

The Macintosh Plus computer is the third model in the Macintosh line, introduced on January 16, 1986, two years after the original Macintosh and a little more than a year after the Macintosh 512K, with a price tag of US$2599.^[1] As an evolutionary improvement over the 512K, it shipped with 1 MB of RAM standard, expandable to 4 MB, and an external SCSI peripheral bus, among smaller improvements. Originally, the computer's case was the same beige color as the original Macintosh, Pantone 453,^[2] however in 1987, the case color was changed to the long-lived, warm gray 'Platinum' color.^[3] It is the earliest Macintosh model able to run System 7.

Overview[edit]

Bruce Webster of BYTE reported a rumor in December 1985: 'Supposedly, Apple will be releasing a Big Mac by the time this column sees print: said Mac will reportedly come with 1 megabyte of RAM ... the new 128K-byte ROM ... and a double-sided (800K bytes) disk drive, all in the standard Mac box'.^[4] Introduced as the Macintosh Plus, it was the first Macintosh model to include a SCSI port, which launched the popularity of external SCSI devices for Macs, including hard disks, tape drives, CD-ROM drives, printers, Zip Drives, and even monitors.^[5] The SCSI implementation of the Plus was engineered shortly before the initial SCSI spec was finalized and, as such, is not 100% SCSI-compliant. SCSI ports remained standard equipment for all Macs until the introduction of the iMac in 1998.

The Macintosh Plus was the last classic Mac to have a phone cord-like port on the front of the unit for the keyboard, as well as the DE-9 connector for the mouse; models released after the Macintosh Plus would use ADB ports.

The Mac Plus was the first Apple computer to utilize user-upgradable SIMM memory modules instead of single DIP DRAM chips. Four SIMM slots were provided and the computer shipped with four 256K SIMMs, for 1MB total RAM. By replacing them with 1MB SIMMs, it was possible to have 4MB of RAM. (Although 30-pin SIMMs could support up to 16MB total RAM, the Mac Plus motherboard had only 22 address lines connected, for a 4MB maximum.)

It has what was then a new 3+1⁄2-inch double-sided 800 KB floppy drive, offering double the capacity of floppy disks from previous Macs, along with backward compatibility. The then-new drive is controlled by the same IWM chip as in previous models, implementing variable speedGCR. The drive was still completely incompatible with PC drives. The 800 KB drive has two read/write heads, enabling it to simultaneously use both sides of the floppy disk and thereby double storage capacity. Like the 400 KB drive before it, a companion Macintosh 800K External Drive was an available option. However, with the increased disk storage capacity combined with 2-4x the available RAM, the external drive was less of a necessity than it had been with the 128K and 512K.

The Mac Plus has 128 KB of ROM on the motherboard, which is double the amount of ROM in previous Macs; the ROMs included software to support SCSI, the then-new 800 KB floppy drive, and the Hierarchical File System (HFS), which uses a true directory structure on disks (as opposed to the earlier MFS, Macintosh File System in which all files were stored in a single directory, with one level of pseudo-folders overlaid on them). For programmers, the fourth Inside Macintosh volume details how to use HFS and the rest of the Mac Plus's new system software. The Plus still did not include provision for an internal hard drive and it would be over nine months before Apple would offer a SCSI drive replacement for the slow Hard Disk 20. It would be well over a year before Apple would offer the first internal hard disk drive in any Macintosh.

A compact Mac, the Plus has a 9-inch (23 cm) 512 × 342 pixel monochrome display with a resolution of 72 PPI, identical to that of previous Macintosh models.^[6] Unlike earlier Macs, the Mac Plus's keyboard includes a numeric keypad and directional arrow keys and, as with previous Macs, it has a one-button mouse and no fan, making it extremely quiet in operation. The lack of a cooling fan in the Mac Plus led to frequent problems with overheating and hardware malfunctions.

The applications MacPaint and MacWrite were bundled with the Mac Plus. After August 1987, HyperCard and MultiFinder were also bundled. Third-party software applications available included MacDraw, Microsoft Word, Excel, and PowerPoint, as well as Aldus PageMaker. Microsoft Excel and PowerPoint (originally by Forethought) were actually developed and released first for the Macintosh, and similarly Microsoft Word 1 for Macintosh was the first time a GUI version of that software was introduced on any personal computer platform. For a time, the exclusive availability of Excel and PageMaker on the Macintosh were noticeable drivers of sales for the platform.

The case design is essentially identical to the original Macintosh. It debuted in beige and was labeled Macintosh Plus on the front, but Macintosh Plus 1 MB on the back, to denote the 1 MB RAM configuration with which it shipped. In January 1987 it transitioned to Apple's long-lived platinum-gray color with the rest of the Apple product line, and the keyboard's keycaps changed from brown to gray. In January 1988, with reduced RAM prices, Apple began shipping 2- and 4- MB configurations and rebranded it simply as 'Macintosh Plus.' Among other design changes, it included the same trademarked inlaid Apple logo and recessed port icons as the Apple IIc and IIGS before it, but it essentially retained the original design.

An upgrade kit was offered for the earlier Macintosh 128K and Macintosh 512K/enhanced, which includes a new motherboard, floppy disk drive and rear case. The owner retained the front case, monitor and analog board. Because of this, there is no 'Macintosh Plus' on the front of upgraded units, and the Apple logo is recessed and in the bottom left hand corner of the front case. However, the label on the back of the case reads 'Macintosh Plus 1MB'. The new extended Plus keyboard could also be purchased. Unfortunately, this upgrade cost almost as much as a new machine.

The Mac Plus itself can be upgraded further with the use of third-party accelerators. When these are clipped or soldered onto the 68000 processor, a 32 MHz 68030 processor can be used, and up to 16 MB RAM. This allows it to run Mac OS 7.6.1.^[7]

There is a program available called Mini vMac that can emulate a Mac Plus on a variety of platforms, including Unix, Windows, DOS, classic Mac OS, macOS, Pocket PC, iOS and even Nintendo DS.

Long production life[edit]

Although the Macintosh Plus would become overshadowed by two new Macintoshes, the Macintosh SE and the Macintosh II in March 1987, it remained in production as a cheaper alternative until the introduction of the Macintosh Classic on October 15, 1990. This made the Macintosh Plus the longest-produced Macintosh ever, having been on sale unchanged for 1,734 days, until the 2nd generation Mac Pro, introduced on December 19, 2013, surpassed the record on September 18, 2018. (it would ultimately last for 2,182 days before being discontinued on December 10, 2019) (Second to the Mid 2012 13 inch (unibody) Macbook Pro that has been on sale from June,11,2012 to October,27,2016 spanning 4 years, 4 months, and 16 days this macbooks holds the title of the longest-produced MacBook Pro ever) It continued to be supported by versions of the classic Mac OS up to version 7.5.5, released in 1996. Additionally, during its period of general market relevance, it was heavily discounted like the 512K/512Ke before it and offered to the educational market badged as the 'Macintosh Plus ED'.^[8] Due to its popularity, long life and its introduction of many features that would become mainstays of the Macintosh platform for years, the Plus was a common 'base model' for many software and hardware products.

Problems[edit]

The lack of fan could cause the life of a Macintosh Plus to end early for some users. As the power supply would heat up, solder joints inside it would fracture causing many problems, such as loss of deflection in the monitor or a complete loss of power. As in most early compact Macs, the problem was common in the yoke connector, flyback transformer, and horizontal drive coupling capacitor.^[9] A fan was also often added to reduce heat when the machine was upgraded to its full RAM capacity of 4 MB.^[10]

Arrow Knight Mac Os Catalina

From the debut of the Macintosh 128K through the Macintosh Plus, various third-party cooling add-ons were available to help increase airflow through the unit. Apple reorganized the compact Macintosh case to accommodate a fan with the release of the Macintosh SE, which optionally included a heat-generating internal hard disk.

ROM revisions[edit]

The Plus went through two ROM revisions during its general market relevance. The initial ROM was replaced after the first two months as it had a serious bug which prevented the Mac from booting if an external SCSI device was powered off. The second revision fixed a problem with some SCSI devices that could send the Mac into an endless reset at POST.^[11]

Emulators[edit]

Timeline of compact Macintosh models

References[edit]

Arrow Knight Mac Os Update

1. ^'The 25 Greatest PCs of All Time'. PCWorld. August 11, 2006. Retrieved May 20, 2016.
2. ^'History of computer design: Apple Macintosh'. Landsnail.com. May 17, 1998. Retrieved May 20, 2016.
3. ^'History of computer design: Macintosh Plus'. Landsnail.com. May 17, 1998. Retrieved May 20, 2016.
4. ^Webster, Bruce (December 1985). 'Microcomputer Color Graphics-Observations'. BYTE. p. 405. Retrieved October 28, 2013.
5. ^Knight, Dan. 'ScuzzyGraph and ScuzzyGraph II'. Low End Mac. Retrieved July 10, 2015.
6. ^'Macintosh Plus: Technical Specifications'. Apple.
7. ^'Mac Plus'. Low End Mac. Retrieved May 20, 2016.
8. ^[1]
9. ^'Classic Mac Repair Notes'(PDF). 68kmla.org. Archived from the original(PDF) on June 6, 2014. Retrieved May 20, 2016.
10. ^Still Useful after All These Years -- The Mac Plus
11. ^'Technical Notes'. Developer.apple.com. Archived from the original on October 29, 2004. Retrieved May 20, 2016.

External links[edit]

• Macintosh Plus technical specifications at apple.com

Arrow Knight Mac OS