In Ubuntu which tool we use for disk-defragment?
127775
Why is defragmentation unnecessary?
133409
Disk I/O Utilization at 95%
5010
Comparison of backup tools
124874
Why is "rm" so much slower than deleting files via the File Manager?
117094
Does Windows 7 actually defragment an SSD drive if you tell it to?
158900
How to shred deleted files to prevent data recovery?
26405
How can I access and backup ~/.gvfs and ~/.cache/dconf?
13938
What can I do about 99% disk usage (only 0.9 MB/s)?
71643
Should I defragment my SSD?
138794
How to list disks, partitions and filesystems in Linux?
4128
How to find out how much disk space is remaining?
72927
How to defrag an ext4 filesystem
122342
How to monitor disk activity?
122860
How do you do a dry run of rm to see what files will be deleted?
39823
How do I free up disk space?
112792
How does one find which files are taking up 80% of the space on a Linux webserver?
157162
How would I speed up a full disk dd?