du - estimate file space usage
To check the disk usage summary of a directory
$ du /etc
$ du /home
To check disk usage in a human-readable format
$ du -h /etc
$ du -h /home/ilugc
To check the total usage size of a particular directory
$ du -sh /etc
To list the disk usage of all files in human readable format including
directories
$ du -ah /home/ilugc
To print the grand total for a directory
$ du -ch /home/ilugc
To change the default block size output to Kilobytes, Megabytes or Gigabytes
$ du -BK /home/klug
$ du -BM /home/klug
$ du -BG /home/ilugc
To check the size of all the sub-directories in their current location
$ du -h --max-depth=1 /home/ilugc
or
$ du -h -d1 /home/ilugc
To exclude a particular type of file ex. python files while calculating the
disk size
$ du -h --exclude="*.py" /home/ilugc/Documents
To check the disk usage of the last modification time
$ du -ha --time log
To show summary of size
$ du -s /home/ilugc/Documents
regards,
T.Dhanasekar
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