How to delete files securely, so i will be sure that there is no tracks left or at least less than simple deleting file? How process should look step by step for a)Linux b)Android? I heard something about shredding or filling empty space but i wouldd like to see how to do that on these devices

For computers, see this PG article: Erasing Data Securely From Your SSD or HDD - Privacy Guides As for Android or iOS, it’s fairly simple: They’ve been encrypted for quite a while, so just do a full phone reset, that will erase all your encryption keys permanently.

In addition to the Privacy Guides article, you can also read through similar threads for more information if you want: Seeking Recommendations for a Reliable Data Shredder for Windows 10 or 11 Shred & overwrite data on Android with ADB Edit: Whoops, didn’t mean to reply specifically to Stiffly l…

To summarize what these articles mention, there isn’t a reliable way to delete individual files. You would need to wipe entire partitions or the whole disk depending on your needs. You can also look at BleachBit ; I believe it was used by Hillary Clinton’s staff members to delete the emails stored i…

Will using bleach bit add something more than just using command shred -u -v -n 7 /path/to/file ?

Not really but a GUI application would help a lot of people out.

Secure deletion of files from device

Questions

TheDoc August 22, 2025, 1:12pm 3

In addition to the Privacy Guides article, you can also read through similar threads for more information if you want:

Seeking Recommendations for a Reliable Data Shredder for Windows 10 or 11
Shred & overwrite data on Android with ADB

Edit: Whoops, didn’t mean to reply specifically to Stiffly lol.

Topic		Replies	Views
Secure free space erasure on Android Questions please-eli5	4	559	March 1, 2026
Are deleted files permanently gone on HDD/SSDs and USB drives? Questions software	9	1630	July 27, 2025
Shred & overwrite data on Android with ADB Questions software	21	3474	August 24, 2025
Erasing Data Securely From Your SSD or HDD Articles	0	704	May 25, 2022
So I learned about hard drive data deletion. What about smartphones? Questions	1	401	September 21, 2025

Secure deletion of files from device

Related topics