There are many reasons to encrypt files — even on a system that is well maintained and comparatively secure. The files may highly sensitive, contain personal information that you don’t want to share ...

Encrypting files from the command line is simple with gpg. You can use it to encrypt and decrypt files with a password. The command gpg is part of GnuPG. GnuPG stands ...

GnuPG, the open replacement for PGP, is an excellent tool to manage cryptographic signatures to files or e-mails for validity and integrity, as well as a tool to encrypt and decrypt sensitive files.

I have been focusing a lot on security and privacy issues in this year's columns so far, but I realize some of you may expect a different kind of topic from me (or maybe are just tired of all this ...

Batch files have a BAT extension and, somewhat similarly to executable files, are used to run system commands through the Windows Command Prompt. Unlike an executable file, a batch file can be opened ...