This introduction to text manipulation on UNIX platforms provides an overview of some common commands widely available and installed standard on most UNIX-based releases. Many times these standard utilities are ignored in favor of more modern text-processors such as Perl, Python, or Ruby, which are not always installed on a system. An introductory review of these tools helps practitioners who are learning UNIX or Linux or those who may be looking to renew forgotten knowledge.

decent process supervision mechanisms provided by operating systems I use.

monit is a monitoring tool, which you configure tests that will be evaluated at certain intervals. If one of the tests fails, then it will take action depending on the rules you assign to it.

Simple database and filesystem backups with S3 support (with optional encryption)

Home: http://blog.astrails.com/astrails-safe

It's easy to make mistakes when you're using ln -s to make symlinks. So use this program, lns, instead -- it's basically ln -s plus lots of sanity-checking and DWIM ("do what I mean"). Notably, it doesn't care whether you say lns target symlink or lns symlink target.

gnokii provides tools and a user space driver for use with mobile phones under various operating systems (most testing is done under Linux but also Solaris, *BSD family and MS