Unix simplified to form Linux, which serves as the kernel for Android, while Apple uses the Unix system as the kernel for iOS and MacOS.1. Timeline of System Releases
2. The Birth of UNIXIn 1969, Ken Thompson, a researcher at Bell Labs, developed a computer game called Space Travel, which ran on multiple systems but did not perform well. He decided to create his own operating system, leading to the birth of UNIX.
During its existence, Bell Labs was a permanent icon, but it was eventually broken up due to antitrust issues, marking the end of an era that is truly lamentable.3. The Birth of LinuxIn 1991, while studying at university, Linus Torvalds developed Linux as a personal project, which is essentially a mini version of UNIX. He later released the source code for Linux and invited others to help improve it.
It is said that Linus Torvalds’ code only accounted for 2% of the Linux source code, but his name will forever be etched in the history of the internet’s development.4. The Birth of iOS Based on UNIXiOS was first announced by Apple on January 9, 2007, at the Macworld Conference, originally designed for the iPhone and later adapted for the iPod touch and iPad.
Like Apple’s MacOS, iOS is a commercial operating system that is Unix-like.5. The Birth of Android Based on LinuxIn November 2007, Google, along with 84 hardware manufacturers, software developers, and telecom operators, formed the Open Handset Alliance to collaboratively develop and improve the Android system.
Subsequently, Google licensed Android under the Apache open-source license; it is a free and open-source operating system based on the Linux kernel (excluding GNU components).6. Their RelationshipsThus, we can clearly trace a line: Unix simplified to form Linux, which serves as the kernel for Android, while Apple uses the Unix system as the kernel for iOS and MacOS.Their relationships can be understood through the following diagram.
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