an important unix concept is the environment, which is defined by environment variables. some are set up by the system, others are set up by you, by the shell or any program you download.
a dns server is a server that contains a database of public ip addresses and hostnames associated with them. in most cases, the dns server is used to resolve or translate those common names into ip addresses as required.
the c programming language provides a data structure called an array, stored in a set of data of the same type with fixed length. an array is used to store data sets, but it is useful if you think of an array of variables with the same type.
the easiest way to think of php is as c is interpreted that you can embed in html documents. php is quite similar to c, except for untyped variables, web-specific libraries are available, and everything is hooked up directly to your favorite web server.
a variable is a string of characters from which we assign a value. the assigned value can be a number, text, file name, device or any other type of data.
while you can count on globally renowned git hosting services like github, in some cases it is better to host a personal git server for enhanced privacy, customizability, and security.
php is a server scripting language used to make web pages interactive. it became widely popular due to its ease of use, interactivity within web pages, and integration with html. think of what happens when a page is edited on this website....
the file header named stddef.h in c library defines various types of variables and macros. many of these definitions are also present in other headers.