Yes, it stands for ‘disk usage’. With the help of this command you can find the disk capacity and free space of the disk. "du" reports the disk usage by each sub-dir under the current directory.
some of the options for "du" are :
du -k : returns the disk usage in KBs
du -k
: gives the disk usage by direcotry and all its sub-directories in KBs.
"du" does not show the free disk space. Use "df" for this.
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