For those us whom vi editor has been a faithful friend over years, it never disappoints. I needed to use a hex editor, and a quick google search brought a how to access that feature from vi. Pasting the commands here for quick reference:-
:%!xxd to switch into hex mode
:%!xxd -r to switch back
The original post from Kev's site can be found at
About Sarbjit Parmar
A practitioner with technical and business knowledge in areas of Data Management( Online transaction processing, data modeling(relational, hierarchical, dimensional, etc.), S/M/L/XL/XXL & XML data, application design, batch processing, analytics(reporting + some statistical analysis), MBA+DBA), Project Management / Product/Software Development Life Cycle Management.