For command line operations, precede the command with sudo. If using a graphical file browser don't forget to enable hidden file viewing (usually CTRL+H). These file permissions may prevent a user from seeing files created or stored in system folders and those owned by other users. Users of Ubuntu are allowed access to files as set by permissions. Once you have done that, you can manually mount any other devices which are not listed therein. To investigate other devices/partitions, you can mount all those listed in /etc/fstab with the following command.
These messages are normal and can be ignored. You will get messages stating "device is busy" for any system partition or partition currently being used by the system. It will attempt to unmount all partitions listed in /etc/mtab. To view only the system folders, first close all open applications and then run the following command. At best additional mounted devices provide extra results - at worst a mounted device might hide what is actually on the system partition. If possible, mount only those partitions you wish to investigate. Many of the commands and applications used in this guide present information only on mounted partitions. Nothing has changed, the user just needs a bit more space.įinally, a partition, such as / or /boot, is simply too small.An advertised 500 GB drive doesn't format to 500 GB.The contents of a lost+found folder has grown.
An NTFS partition shows the incorrect size.A cloned partition doesn't show the new partition's correct size.Various log files have increased in size and/or number.The user unknowingly created a large file in the wrong location.ĭownloads have accumulated in /var/cache/apt/archives.Deleted files in the trash bin are still on the system taking up disk space.Backup files were mistakenly saved to the wrong location.The primary focus is on restoring space on the system partition ( / ) but the procedures can easily be modified for other partitions as well. This page presents ways to discover what is using large portions of your disk space and how to regain some free space. The user may have received an error message such as " There is not enough room on the disk to save ." or perhaps a message about " insufficient disk space". This guide will help users who are having issues with a lack of free disk space. Checking Your Partitions via Command Line.Checking Your Partitions Graphically (GUI).
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