Run a disk check on an unmounted disk or partition: fsck Searching Test for unreadable blocks on device/disk: badblocks -s /dev/ Show hardware information from the BIOS: dmidecodeĭisplay disk data information: hdparm -i /dev/diskĬonduct a read-speed test on device/disk: hdparm -tT /dev/ Show PCI devices in a tree-like diagram: lspci -tvĭisplay USB devices in a tree-like diagram: lsusb -tv See information about block devices: lsblk List hardware configuration information: lshw Hardware Informationĭisplay free and used memory with: free -h To check PWD, execute the pwd keyword in your terminal and hit enter the command of PWD is written below along with the result of that command.The commands found in the downloadable cheat sheet are listed below. This command refers to the present working directory in which you are operating in simpler words, in which your terminal is open. Firstly, you must open the terminal in Ubuntu press “ ctrl+alt+t” from your keyboard to open the terminal. This section contains some basic commands of Ubuntu, so let us start and discuss them one by one. In this article, we will demonstrate the use of 25 basic commands that provide ease to execute various tasks of Ubuntu using CLI. CLI is the basic way to interact with systems hardware (processor/memory) you can perform all the tasks that GUI can perform. Ubuntu supports both Command Line Interface (CLI) and Graphical User Interface (GUI) to perform various tasks on the OS.

The latest LTS release is 20.04 it will be available till 2025. The stable and unstable releases are launched every year in April and October, respectively, whereas the long-term support variant is released after two years and is available for the next five years. There are several releases of Ubuntu, such as stable release, Long Term Support (LTS), and unstable. is a software company with its origin in the UK, and it has hired staff in several countries to work for Ubuntu. and a large community of software developers around the globe Canonical Ltd. It is developed and maintained by Canonical Ltd. Due to its distinctive features, various distros of Linux are developed based on Ubuntu. Ubuntu is the most popular Debian-based distribution of Linux Operating System It was initially released in 2004.

List of commands for terminal