The consensus among new Unix and Linux users seems to be that sudo is more secure than using the root account, because it requires you type your password to perform potentially harmful actions. In reality, a compromised user account, which is no big deal normally, is instantly root in most setups.

Enforcing password security with a multiple-user system can be a hassle — users all too often use inadequate passwords. john-the-ripper (also available via most distros) is a password-cracking tool that enables the identification of vulnerable passwords before someone with nefarious intentions finds the weakness.

This is part 4 of a multi-part article. Part 1 discusses the importance of complex passwords and also discusses some ways to create them in Linux. Part 2 covers the KeepassX, a program with a very nice graphical user interface. In part 3, takes a look at the gpass program which is a nice graphical user interface for the gnome desktop (will work on others too), part 4 takes a look at the command line pwsafe. pwsafe is a unix commandline program that manages encrypted password databases.

We are very familiar with Linux and its relation with UNIX.But most us of dont actually know what are differnces between the two.
Linux is called Unix-like and is not a true Unix operating system.

One of the ongoing battles I have with the folks at the Hospice I support (and my friends) is their choices of passwords. Lots just change their password by changing a number at the end (vacation1 becomes vacation2 becomes vacation3...etc.).

Microsoft will no longer offer Linux or Unix versions of its enterprise search products after a wave of releases set to ship in the first half of this year, the company announced in an official blog post Thursday.

Revelation is a password manager for the GNOME 2 desktop. It stores accounts and passwords in a single, secure place, and gives access to them through a user-friendly graphical interface.

For the last 40 years, Unix operating systems have helped to power mission-critical IT operations around the globe. Now, as Unix enters middle age, its backers are busily developing the new specifications that they hope will carry the OS forward into the next age of computing

Secure password storage is a big thing these days, particularly with the (good!) advice of not re-using passwords in more than one place. The thinking behind that is that if someone figures out a password for one service or Web site, they will not be able to re-use that password on other sites and further obtain access to your credentials and services.