What is underlined?
Underline is a special symbol that is used in computer programming languages, file names and URL on the Internet. Usually it is used instead of space, because many formats do not accept empty space in a variable or name. The underline was developed as an acceptable virtual space that could be used instead. This symbol is also known as a low dash, underground or low line. For example, "Thisanobject" as the name of an entity or identifier within the programming language would be difficult to read and understand, especially if it is used repeatedly at different points. Some programming languages have enabled the conquer to be used to separate the word, such as "this-is-an-/bject". Unfortunately, several languages considered a subtitle to be a subtraction operator and their syntax would not allow it as a separation identifier cannot be used empty gaps TOR. At the end of the sixties, it was underlined as an alphabetical character, which made it easier for programmers to name objects with more words.This symbol is used to clarify the very large chain names and to create readable variable names. Using the previous example, "this_is_an_object" would be a valid name for the variable accepted by many programming languages.
Email names, URLs on World Wide, and very long file names in the computer operating system use underline words. For example, Word file names, songs and documents can be saved as "Name_Name_Name". It can also be used to separate words in usernames, for example when logging in to a computer. It is located on the keyboard near the upper part next to zero to the Tstejný key as a conjurior. Holding the SHIFT key as Hyphen is pressed.
underlines has a very interesting history. First, it was used in writing machines to emphasize certain words by their underline. At that time it was the only way to express printed words withAny inflex. The underline appeared as a simple and cheap way to underline printed words on a typewriter. Sometimes it is used to create empty spaces in molds by creating a long horizontal line.