What does Unix mean?
Editor to share with you what Unix refers to, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!
One: what is Unix?
UNIX operating system was born in the late 1960s, is a computer operating system, with multi-task, multi-user characteristics, written in C, and can be quickly modified. It started as a human project under the leadership of Ken Thompson at Hubert Lab, and later continued to become the most widely used operating system, Unix is a proprietary operating system. The Unix operating system runs on CLI (command line interface), but recently, GUI,Unix has been developed on Unix, a popular operating system among companies and universities.
Two: what is LINUX?
Linux is an operating system established by Linus Torvalds of the University of Helsinki in 1991. The name "Linux" comes from the Linux kernel. At first, Linux is a system on a computer. Its main function is to enable applications and users to access devices on the computer to perform certain functions.
Linux OS processes the instructions issued by the application and sends the results back to the application through Linux OS. It can be installed on different types of computers and mobile phones, and many have released their own operating system versions based on the Linux kernel.
Three: UNIX operating system
The UNIX operating system consists of three parts: kernel, shell and program.
Four: the shortcomings of Unix
1. There are slightly different versions on various machines, so there is a lack of consistency.
2.Unix OS is designed for slow computer systems, so fast performance cannot be expected.
3. An unfriendly, concise, inconsistent and non-mnemonic user interface.
The 4.Shell interface can be dangerous because typing errors can corrupt files.
Five: directory structure
All files are grouped together in the directory structure. File systems are arranged in a hierarchical structure, such as an inverted tree. The top of the hierarchy is traditionally called root (written as slash /)
In the figure above, we see that the home directory "ee51vn" contains two subdirectories (documents and pictures) and one named report.doc.
The full path to the file report.doc is "/ home/its/ug1/ee51vn/report.doc"
The above is what Unix refers to all the content, thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!
