All About Linux.

A command-line task may call for checking a web response or sending data to a service. The curl command transfers data to or from URLs. This article walks through inspecting response headers and sending a small JSON request with curl. TL;DR: curl command in Linux curl handles transfers from a URL. These options determine whether

Copying a file from a terminal means choosing a source path and a destination, which can have a different name. The cp command copies files and, with a recursive option, copies directories and their contents. In this piece, I’ll walk through copying files and directories with cp, then explain how to choose an overwrite option.

Checking the accounts on an Ubuntu machine means choosing whether to look at local records or accounts the system can resolve. The getent passwd command looks up records through the machine’s configured account sources, while the /etc/passwd file stores local records. I’ll show you how to list local names and system-resolved accounts, then use a

Looking up a command while working in a shell can interrupt the task you are trying to finish. A Linux command cheat sheet groups common commands by task and gives you a starting point for using them. I’ll show how to use common Linux commands and explain how to check their options before running them.

Copying a file into place can also mean choosing its destination permissions or creating directories along the path. The GNU install utility prepares files and directories from the command line, including copying a file and creating missing parent directories. I’ll show how to set permissions on a copied file and create the directories it needs.