curl
curl is a Linux command in the Network category, rated intermediate difficulty. Transfers data to/from a server using various protocols (HTTP, FTP, etc.). The syntax is curl [options] URL. Key options and parameters: URL — target URL. It returns response data from server. A close relative is ping, which tests network connectivity to a host by sending ICMP echo requests. A close relative is wget, which downloads files from the internet. Supports recursive downloads. A close relative is ifconfig, which configures and displays network interface information (legacy, use ip now). More about this category: Linux networking commands — ping, curl, wget, netstat, ss, ifconfig, and more. Configure and troubleshoot network connections. Related Network commands: ping, wget, ifconfig, ip, ss, netstat, nslookup, dig. This page is part of the free Linux Reference documentation covering 304+ commands, each with syntax, options, practical examples, and a difficulty rating.