http://ntt2k.info

by Tony Chen, adchen@cs.fsu.edu (last changed Dec 7, 1993)

Table of Contents

• Starting vi
• Cursor keys
• Word and Line Movement keys
• Number counts
• Cancelling commands
• Status line
• Scroll commands
• Delete commands
• Input/editing commands
• Search
• Copy, paste, undo, repeat
• Ex commands (file commands)
• Search and replace

Continue reading

I remember being confused for a very long time about the trailing garbage in commands I saw in Unix systems, especially while watching compilers do their work. Nobody I asked could tell me what the funny greater-thans, ampersands and numbers after the commands meant, and search engines never turned up anything but examples of it being used without explanation. In this article I’ll explain those weird commands.

Here’s an example command:

 command > /dev/null 2>&1 

Continue reading

DNALinux Virtual Desktop Py4Bio is ready!. This edition is called Py4Bio because is the Linux distribution included in the book Python for Bioinformatics.

Common desktop programs used in Bioinformatics are included in DNALinux. Using VMWare you can run Linux and Windows programs side by side.

DNALinux is also a webserver. You don’t have to set up an Apache web server and install CGI programs since DNALinux has them pre-installed and ready to run. With a server you can make a BLAST from your host computer.

Continue reading