2. A text editor developed by Bill Joy of the University of California, Berkeley. Vi is the most classic text editor in unix/linux operating system. It can only edit characters, not typeset fonts and paragraphs. It can create new files or edit files; It has no menu, only commands, and there are many commands.
Although the operation mode of vi is quite different from other commonly used text editors (such as gedit), it is still frequently used because it runs on the character interface and can be used in all unix/linux environments.
3. Roman numeral for 6. Corresponding to Arabic numerals (that is, the internationally accepted figures now), it is 6.
4, Vi, in English, the symbol of intransitive verbs, the abbreviation of inherent verbs. The difference between transitive verbs and intransitive verbs can be divided into transitive verbs and intransitive verbs.
5. Viscosity index (Vi) indicates the degree to which the viscosity of all fluids changes with temperature. The higher the viscosity index, it means that the viscosity of the fluid is less affected by temperature, and the viscosity is less sensitive to temperature. According to the viscosity index, lubricating oil can be divided into three grades: 35-80 is medium viscosity index lubricating oil; 80- 1 10 is a lubricating oil with high viscosity index; 1 10 or above is an ultra-high viscosity index lubricating oil.
Refer to the above? Baidu Encyclopedia-Visual Identification System
Refer to the above? Baidu Encyclopedia -Vi (Text Editor)
Refer to the above? Baidu Encyclopedia -Vi (Roman numeral 6)
Refer to the above? Baidu encyclopedia -Vi (English grammar intransitive verb)
Refer to the above? Baidu encyclopedia -Vi (viscosity index)