When I need to use Windows either for Microsoft Office products or some other reason I find myself in Notepad++ a lot. Notepad++ is a great free tool that provides a ton of functionality including the ability to easily add plugins, etc. One great feature of Notepad++ is the Regular Expression capabilities when using find/replace. If you wanted to add data to the beginning of each line or add data to the end of each line you can easily do so using find and replace with Regular Expressions enabled as shown in the below examples.
Earlier I was transferring some configuration files from an application on a Windows 7 computer to an application on a OSX Lion computer. The location of a file referenced in the configuration files had changed so I needed to update about a hundred different INI files with the new location. Doing this on OSX is very easy using perl as long as you get the syntax correct as it can be tricky if there are multiple quotes and or slashes. Below is a quick example of a perl command used to replace a single line of text in multiple files without having to modify each file individually.
One thing that can be really helpful for Linux administrators is sending mail attachments via the Linux command line. It is fairly widely known that you can inject text files into email by piping the outputs of those files to the mail command however something that is less known is attaching files to an email sent via mail. The information below describes how to send mail from a Linux shell using the mail command.
I love notes. I am the kinda guy that puts notes every where including all over my computer desktop. Mac has a really cool application which is called sticky notes. I have been using it for a few weeks now and I really like it. It has multi colored notes so I can keep my tasks color coded. Today I discovered a really neat feature when using sticky notes.