CURL is a computer software project that provides a library and command-line tool in order to help its users with the ease of transferring data. It is basically an object focused programming language developed by DARPA (Defense Advanced Research Project Agency) project that can modify its own structure and behaviour at the time of running.
CURL is a modern day programming language that is used by many leading software and IT companies in order to stay ahead of the competition in comparison to their contemporaries. Therefore, such companies are asking a variety of cURL interview questions to not only freshers but also experienced individuals who want to stay ahead in time. Here are some important cURL interview questions that will not only give you a basic idea of the program but also help to get an overview of the same.
“libcURL” is a product of cURL that is a very dependable and moveable library that provides its users with an easy interface system along with a range of other common internet protocols. It is one of the most portable, most potent and most frequently used C-based multi-functional platform for file transfer. It is a library that can be used both as an open source as well as commercially.
Unlike other platforms, cURL is targeted to work at a single shot transfer for files and it should be confused with wget clones. cURL does not perform the usual website monitoring programs, however, various codes and scripts can be written and performed to make cURL such agendas. cURL is also neither an FTP monitoring site program nor a PHP tool. A characteristic that makes cURL different from other platforms is that it cannot function as a single operating system. It performs a wide range of functions such as compilation, building and running many operating systems such as Windows, OS X, BeOS, etc.
cURL has been programmed in such a way that it utilizes SSL function as an internal layer and this functional layer can be utilized to provide one out of the numerous back ends of SSL. cURL can also be build using different alternatives apart from SSL such as NSS, PolarSSL, OpenSSL, SnuTLS, Secure Transport, original Windows, IBM I, etc.
The cURL command used in Linux performs the function of testing an application’s endpoint or connectivity with regards to an upstream service endpoint. cURL command in Linux can also be used to check if the application can reach another facility such as database and to check whether the service is healthy or not.
Some of the basic steps involved in using cURL are:
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