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    This article explains how to check the free and used space of a hard disk or SSD.

    Linux

    To view the free space of the entire file system, enter the following command:

    root@localhost:~# df -h

    To view the used space of the entire file system, use the following command:

    root@localhost:~# du -sh /

    Use the following command to display the size of the subdirectories of the current path:

    root@localhost:~# du -shx ./* | sort -h

    Microsoft Windows

    • Double-click Explorer at the bottom of the taskbar.

    • On the left side, click This PC.

    A screenshot of 'This PC' highlighted within Microsoft Windows Explorer
    • The available and used space is displayed in the Devices and Drives area.

    A screenshot of the C drive highlighted within 'This PC'

    Plesk

    To check disk space usage using Plesk, you need Diskspace Usage Viewer.

    Install Diskspace Usage Viewer

    To install Diskspace Usage Viewer, do the following:

    • Log in to Plesk.

    • In the navigation bar on the left, click Extensions.

    A screenshot of the Plesk interface with 'Extensions' highlighted in the left-side menu
    • Enter the term Diskspace Usage Viewer in the search bar at the top right.

    • To install Diskspace Usage Viewer, click Use for free.

    A screenshot of the 'Diskspace Usage Viewer' extension within Plesk, with the 'Get it Free' button highlighted

    The Diskspace Usage Viewer will be installed.

    View used disk space

    In the Extensions > My Extensions section, click Open in the Disk Space Usage Viewer area. You will then see the existing directories and their respective used disk space.