In Linux, ls -l would list the files and directories in a particular path, with their names, dates, and sizes (disk usage). The first thing you'll notice using that command is that size of directories is always shown as 4096 bytes (or 4,0K if you're using ls -lh
When managing a computer, we may want to automate some tasks to run in certain periods or at the same time on each day/week/month. On a desktop, we may schedule update checks or virus scans. On a server, it's not uncommon for a myriad of checks and
The cat command is a Unix tool used for manipulating and displaying file contents. The command gets its name from the word "concatenate" because it has, among other things, the ability to concatenate files.
In this article, we'll go through a few easy ways to
Grep is a powerful, yet very simple tool. By default, it searches through an input and prints a single or multiple lines that contain text matched to a pattern specified in the command call.
Before grep became such a widespread tool for the GNU/Linux system, it used to
SCP stands for Secure Copy Protocol. It is a tool that can be used to transfer files from a local host to a remote host, from a remote host to a local host, or between two remote hosts. In this article, we'll examine how to use SCP to copy
The most common interactions with a computer nowadays are done through a Graphical User Interface (GUI). Before GUIs existed, users would interact with a computer via shell programs, a Command Line Interface (CLI) to run other programs. Despite the ubiquity of GUIs, interacting with a computer via a CLI
The cURL utility is a command line program often bundled with Unix/Linux distributions and Mac OSX operating systems. It allows you to send just about any type of HTTP request via the command line, which is great for many things, ranging from posting data to a REST API to
SSH, or Secure Shell, is a very common way to securely access remote machines, typically via the command line. It aims at ensuring that your connection, and therefore all data passed, is free from eavesdropping. Because of this, there are quite a few checks built-in to the popular SSH clients,
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