To retrieve your computer’s specifications in Ubuntu using the terminal, you can utilize a few powerful commands that will provide comprehensive details about your hardware. Start by checking your CPU information with the `lscpu` command. This command displays details such as the model name, architecture, and the number of CPU cores. For RAM capacity, use `free -h`, which will show you the total, used, and available memory in a human-readable format. The `-h` flag makes it easier to read by using suitable units (like MB or GB). To find out details about your graphics card, you can run `lspci | grep VGA`, which filters the output to display only the lines related to the video graphics array (VGA). This should give you a clear picture of your system’s CPU, RAM, and GPU specifications.

If you want a more visually appealing overview of your system, consider installing `neofetch`. This command-line tool provides an aesthetic display of your system’s information when executed and can be easily installed using `sudo apt install neofetch`. Running `neofetch` will not only show your system specs in a colorful format but also include information like your OS version and system uptime. This tool is not just for show; it consolidates various bits of information into a single output that’s handy for understanding your machine at a glance. If you’re considering upgrading parts, having this information can certainly help guide your decisions. Remember, all of the commands mentioned above should be run without quotes in the terminal to get the desired outputs, allowing you to familiarize yourself with the terminal while simultaneously learning about your system.