Namely, de-facto, or one of, in Linux. Mature. No GUI. Open-source and free.
What is it? GPG or anything else?
For a separate file(s), or directory(ies), and not for the entire disk or partition.
1·2 months ago- backups, non-incremental ones
- prevent others from viewing information that may be sensitive
- encrypted files and directories will then be copied over to external drives and third-party servers