What is CURL?

Ans –  CURL means Client URL Librarycurl is a command line tool for transferring files with URL syntax,
supporting FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS and FILE. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, user+password authentication (Basic, Digest, NTLM, Negotiate, kerberos…), file transfer resume, proxy tunneling and abusload of other useful tricks. CURL allows you to connect and communicate to many different types of servers with many different types of protocols. libcurl currently supports the http, https, ftp, gopher, telnet, dict, file, and ldap protocols. libcurl also supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading (this can also be done with PHP’s ftp
extension), HTTP form based upload, proxies, cookies, and user+password authentication.

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simple four-step Curl process are:

Initialise Curl

Set URL we want to load

Retrieve and print the URL

Close Curl

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