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List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.
v. t. e. Safari is a web browser developed by Apple. It is built into Apple's operating systems, including macOS, iOS, iPadOS and visionOS, and uses Apple's open-source browser engine WebKit, which was derived from KHTML . Safari was introduced in Mac OS X Panther in January 2003.
Usually this implies future availability (e.g., a new feature of a web-service API). 502 Bad Gateway The server was acting as a gateway or proxy and received an invalid response from the upstream server. 503 Service Unavailable The server cannot handle the request (because it is overloaded or down for maintenance). Generally, this is a ...
The Online Certificate Status Protocol ( OCSP) is an Internet protocol used for obtaining the revocation status of an X.509 digital certificate. [ 2] It is described in RFC 6960 and is on the Internet standards track. It was created as an alternative to certificate revocation lists (CRL), specifically addressing certain problems associated with ...
Linux is the leading operating system on servers (over 96.4% of the top one million web servers' operating systems are Linux), [26] leads other big iron systems such as mainframe computers, and is used on all of the world's 500 fastest supercomputers [d] (as of November 2017, having gradually displaced all competitors).
A filename extension, file name extension or file extension is a suffix to the name of a computer file (for example, .txt, .docx, .md ). The extension indicates a characteristic of the file contents or its intended use. A filename extension is typically delimited from the rest of the filename with a full stop (period), but in some systems [ 1 ...
HTTP functions as a request–response protocol in the client–server model. A web browser, for example, may be the client whereas a process, named web server, running on a computer hosting one or more websites may be the server. The client submits an HTTP request message to the server.
A browser extension is a software module for customizing a web browser. Browsers typically allow users to install a variety of extensions, including user interface modifications, cookie management, ad blocking, and the custom scripting and styling of web pages. [1] Browser plug-ins are a different type of module and no longer supported by the ...