Mac OS X 10.1 (

code name A code name, call sign or cryptonym is a code word or name used, sometimes clandestinely, to refer to another name, word, project, or person. Code names are often used for military purposes, or in espionage. They may also be used in industrial ...

d Puma) is the second

major release Major (commandant in certain jurisdictions) is a military rank of commissioned officer status, with corresponding ranks existing in many military forces throughout the world. When used unhyphenated and in conjunction with no other indicators ...

macOS macOS (; previously OS X and originally Mac OS X) is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and lap ...

, Apple's desktop and server

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ef ...

. It superseded

Mac OS X 10.0 Mac OS X 10.0 (code named Cheetah) is the first major release of Mac OS X, Apple's desktop and server operating system. It was released on March 24, 2001 for a price of $129 after a public beta. Mac OS X was Apple's long-awaited successor to ...

and preceded Mac OS X Jaguar. Mac OS X 10.1 was released on September 25, 2001, as a free update for Mac OS X 10.0 users. The operating system was handed out for no charge by Apple employees after

Steve Jobs Steven Paul Jobs (February 24, 1955 – October 5, 2011) was an American entrepreneur, industrial designer, media proprietor, and investor. He was the co-founder, chairman, and CEO of Apple; the chairman and majority shareholder of Pixar; a m ...

keynote A keynote in public speaking is a talk that establishes a main underlying theme. In corporate or commercial settings, greater importance is attached to the delivery of a keynote speech or keynote address. The keynote establishes the framework fo ...

speech at the Seybold

publishing Publishing is the activity of making information, literature, music, software and other content available to the public for sale or for free. Traditionally, the term refers to the creation and distribution of printed works, such as books, newsp ...

conference in

San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17th ...

. It was subsequently distributed to

Mac Mac or MAC most commonly refers to: * Mac (computer), a family of personal computers made by Apple Inc. * Mackintosh, a raincoat made of rubberized cloth * A variant of the word macaroni, mostly used in the name of the dish mac and cheese * Mac, ...

users on October 25, 2001, at

Apple Store The Apple Store is a chain of Retail, retail stores owned and operated by Apple Inc. The stores sell various Apple products, including Macintosh, Mac personal computers, iPhone smartphones, iPad tablet computers, Apple Watch smartwatches, Apple ...

s and other

retail Retail is the sale of goods and services to consumers, in contrast to wholesaling, which is sale to business or institutional customers. A retailer purchases goods in large quantities from manufacturers, directly or through a wholesaler, and t ...

stores that carried Apple products.

System requirements

Supported computers: *

Power Mac G3 The Power Macintosh G3 (also sold with additional software as the Macintosh Server G3) is a series of personal computers designed, manufactured, and sold by Apple Computer from November 1997 to August 1999. It represented Apple's first step towa ...

Power Mac G4 The Power Mac G4 is a series of personal computers designed, manufactured, and sold by Apple Computer from 1999 to 2004 as part of the Power Macintosh line. Built around the PowerPC G4 series of microprocessors, the Power Mac G4 was marketed by ...

Power Mac G4 Cube The Power Mac G4 Cube is a Macintosh personal computer sold by Apple Computer, Inc. between July 2000 and 2001. Designed by Jonathan Ive, the Cube was conceived by Apple chief executive officer ( CEO) Steve Jobs, who held an interest in a pow ...

iMac G3 The iMac G3, originally released as the iMac, is a series of Macintosh personal computers sold by Apple Computer from 1998 to 2003. The iMac was the first major new product release for Apple under Steve Jobs, Apple's interim CEO and cofounder ...

eMac The eMac (short for education Mac) is a discontinued all-in-one Macintosh desktop computer that was produced and designed by Apple Computer Released in 2002, it was originally aimed at the education market, but was later made available as a c ...

PowerBook G3 The PowerBook G3 is a series of laptop Macintosh personal computers designed, manufactured, and sold by Apple Computer from 1997 to 2001. It was the first laptop to use the PowerPC G3 (PPC740/750) series of microprocessors, and was marketed as ...

, except for the original PowerBook G3 *

PowerBook G4 The PowerBook G4 is a series of notebook computers manufactured, marketed, and sold by Apple Computer between 2001 and 2006 as part of its PowerBook line of notebooks. The PowerBook G4 runs on the RISC-based PowerPC G4 processor, designed by the ...

iBook iBook is a line of laptop computers designed, manufactured, and sold by Apple Computer from 1999 to 2006. The line targeted entry-level, consumer and education markets, with lower specifications and prices than the PowerBook, Apple's higher-end ...

RAM: *128

megabyte The megabyte is a multiple of the unit byte for digital information. Its recommended unit symbol is MB. The unit prefix ''mega'' is a multiplier of (106) in the International System of Units (SI). Therefore, one megabyte is one million bytes o ...

s (MB) (unofficially 64 MB minimum) Hard Drive Space: *1.5

gigabytes The gigabyte () is a multiple of the unit byte for digital information. The prefix ''giga'' means 109 in the International System of Units (SI). Therefore, one gigabyte is one billion bytes. The unit symbol for the gigabyte is GB. This definiti ...

(GB)

Features

Apple introduced many features that were missing from the previous version, as well as improving overall system performance. This system release brought some major new features to the Mac OS X platform: *Performance enhancements — Mac OS X 10.1 introduced large performance increases throughout the system. *Easier CD and

DVD The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kin ...

burning — better support in Finder as well as in

iTunes iTunes () is a software program that acts as a media player, media library, mobile device management utility, and the client app for the iTunes Store. Developed by Apple Inc., it is used to purchase, play, download, and organize digital mu ...

*DVD playback support — DVDs can be played in Apple DVD Player *More printer support (200 printers supported out of the box) — One of the main complaints of version 10.0 users was the lack of printer drivers, and Apple attempted to remedy the situation by including more drivers, although many critics complained that there were still not enough. *Faster 3D (

OpenGL OpenGL (Open Graphics Library) is a cross-language, cross-platform application programming interface (API) for rendering 2D and 3D vector graphics. The API is typically used to interact with a graphics processing unit (GPU), to achieve hardwa ...

performs 20% faster) — The OpenGL drivers and handling were vastly improved in this version of Mac OS X, which created a large performance gap for 3D elements in the interface, and 3D applications. *Improved

AppleScript AppleScript is a scripting language created by Apple Inc. that facilitates automated control over scriptable Mac applications. First introduced in System 7, it is currently included in all versions of macOS as part of a package of system automat ...

— The scripting interface now allows scripting access to many more system components, such as the Printer Center, and Terminal, thus improving the customizability of the interface. As well, Apple introduced AppleScript Studio, which allows a user to create full AppleScript applications in a simple graphical interface. *Improved filehandling - The Finder was enhanced to optionally hide

file extension A filename extension, file name extension or file extension is a suffix to the name of a computer file (e.g., .txt, .docx, .md). The extension indicates a characteristic of the file contents or its intended use. A filename extension is typically d ...

s on a per-file basis. The Cocoa API was enhanced to allow developers to set traditional Mac type and creator information directly without relying on Carbon to do it. * ColorSync 4.0, the

color management In digital imaging systems, color management (or colour management) is the controlled conversion between the color representations of various devices, such as image scanners, digital cameras, monitors, TV screens, film printers, computer printe ...

system and API. * Image Capture, for acquiring images from

digital cameras A digital camera is a camera that captures photographs in digital memory. Most cameras produced today are digital, largely replacing those that capture images on photographic film. Digital cameras are now widely incorporated into mobile device ...

and

scanners ''Scanners'' is a 1981 Canadian science fiction horror film written and directed by David Cronenberg and starring Stephen Lack, Jennifer O'Neill, Michael Ironside, and Patrick McGoohan. In the film, "scanners" are psychics with unusual telepathic ...

. *Menu Extras, a set of items the user can add to the system menu, replacing the supplied Dock Extras from Mac OS X 10.0 Cheetah. Apple switched to using Mac OS X as the default on all then-new Macs with the 10.1.2 release.

Applications found on Mac OS X 10.1 Puma

*Address Book *AppleScript *

Calculator An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics. The first solid-state electronic calculator was created in the early 1960s. Pocket-sized ...

*Chess *Clock *CPU Monitor *

DVD Player A DVD player is a device that plays DVDs produced under both the DVD-Video and DVD-Audio technical standards, two different and incompatible standards. Some DVD players will also play audio CDs. DVD players are connected to a television to wa ...

*Image Capture *

iMovie iMovie (known at times as iMovie HD) is a preinstalled video editing application developed by Apple Inc. for macOS, iOS, and iPadOS devices. It was originally released in 1999 as a Mac OS 8 application bundled with the first FireWire-enable ...

*Internet Connect *

Internet Explorer for Mac Internet Explorer for Mac (also referred to as Internet Explorer for Macintosh, Internet Explorer Macintosh Edition, Internet Explorer:mac or IE:mac) was a proprietary web browser developed by Microsoft for the Macintosh platform to browse web pa ...

*Mail *Preview *Process Viewer (now Activity Monitor) *

QuickTime Player QuickTime is an extensible multimedia framework developed by Apple Inc., capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. Created in 1991, the latest Mac version, QuickTime X, is ava ...

*Sherlock *Stickies *System Preferences * StuffIt Expander *TextEdit *Terminal

Release history

Timeline

References

External links

Mac OS X v10.1 review
at Ars Technica * from apple.com * from apple.com {{Apple Inc. 1 PowerPC operating systems 2001 software Computer-related introductions in 2001