How can I wipe all files and software not part of Ubuntu?
23292
Resetting Ubuntu to factory settings
65675
Delete all files except specified files/folders using command line?
134645
How do I remove any Ubuntu brand and trademark from my Ubuntu install?
109957
Any recommendations for a before&after software installation scanner/uninstaller?
155020
How do I delete a folder but not the contents?
133038
undelete big files - mission impossible?
60082
Cleaning Ubuntu temporary files if they exist
12463
How do I delete Windows after an Ubuntu install?
99527
What's the good way to clean up the system (and is Bleachbit safe) on Ubuntu 14.04?
40005
How to Delete Files and Application Data Container Values in One Go?
62814
Can I delete files from C:\WINDOWS\SoftwareDistribution\Download?
30004
How can I uninstall software?
10358
How do I remove Windows but keep Ubuntu?
134192
How to make sure I'm not using any proprietary software after installation?
117233
How to wipe free disk space in Linux?
79619
How to delete files from Ubuntu One?
54488
How do I delete a folder that's in use?