Top Unix Disk Space Background. The „du (disk usage) command line is a standard command under unix and linux. For example, package manager applications notify you how much disk space will be required for an installation.
There are plenty of tools with which you can check your disk space.
Get disk info for filesystem the given file is part of. This is not the same as your quota; Disks utility shows free space available. Have you noticed that above commands displays information in bytes, which is not readable at all, because we are in a habit of reading the.