Happy Sys Admin day!
If you have dealt with regular expression then you know that it takes a while to get a good grasp on it. If you are just learning it here is an amazing tutorial: http://regexone.com.
The Microsoft corporation has become OpenBSD’s first “Gold Level” sponsor after a large donation. (Facebook and Google are both silver contributors). The move is likely related to Microsoft’s use of OpenSSH in future versions of Powershell. Meanwhile at the FreeBSD site companies LineRate, NetApp, Google, Hudson River Trading, and Netflix dominate the top sponsors. Noticeably absent was the Apple Computer Corporation who base their OSX and IOS systems off of the free software BSD systems. More info about OpenBSD’s 2015 fundraising campaign here.
For all the Safari users out there: Safari Tab Switching is a Safari SIMBL plugin which allow switching between tabs using Cmd+1-9.
“Everything you do, every decision you make, is either building your dream or building someone else’s dream. Every single thing you do is either leading you away from the masses—or leading you away with the masses. Every single thing you do is a slight edge decision.” – The Slightly Edge
A great article from Greg Lehey about explaining BSD: https://www.freebsd.org/doc/en_US.ISO8859-1/articles/explaining-bsd/index.html