What is tilde? - Definition from WhatIs.com
Part of the Computing fundamentals glossary:

tildeThe tilde (~ , pronounced TILL-duh or TILL-dee and sometimes called a "twiddle" or a "squiggle") is a special  character found on most keyboards and used in a wide range of IT-related applications, including mathematics, programming, file systems, directories and URL addressing. 

In some operating systems, including Unix, the tilde is used to represent the current user's home directory. On Web server systems, the tilde is used by convention as the first character for any user's home directory in the file system. Since users often keep personal or business Web pages on a server under their personal home directory, you will often see the tilde as part of Web addresses. As a mathematical symbol, the tilde means "approximately" and in logic it means "not."

The tilde is one of the 128 alphanumeric and special characters in ASCII, the most common standard for electronic text exchange. The tilde happens to be ASCII character 126. 

This was last updated in January 2015
Contributor(s): Andrew DiLiddo
Posted by: Margaret Rouse

Related Terms

Definitions

  • IS (information system or information services)

    - An information system (IS) is the collection of technical and human resources that provide the storage, computing, distribution, and communication for the information required by all or some part o... (WhatIs.com)

  • distributed

    - Computing is said to be "distributed" when the computer programming and data that computers work on are spread out over more than one computer, usually over a network.Cloud computing is a particula... (WhatIs.com)

  • greedy algorithm

    - A greedy algorithm is a mathematical process that looks for simple, easy-to-implement solutions to complex, multi-step problems by deciding which next step will provide the most obvious benefit. (WhatIs.com)

Glossaries

  • Computing fundamentals

    - Terms related to computer fundamentals, including computer hardware definitions and words and phrases about software, operating systems, peripherals and troubleshooting.

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question. Find an Answer.Powered by ITKnowledgeExchange.com

Ask An IT Question

Get answers from your peers on your most technical challenges

Ask Question

Tech TalkComment

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.