Cygwin portable?

Backing up Google Chrome Why does Windows still have the BSOD on Ctrl+Scroll+Scroll "feature"? Is there any command line tool that can be used to edit environment variables in Windows? Horizontal scrolling shortcut in Windows Repurposing very old hardware (Apple ][ era) How can I get FileZilla to ignore folder or files (like .svn or CVS)? Is there a usable Amiga CD32 Emulator? Need Software to Monitor Internet Uptime What happens when you install > 4GB of RAM in a computer with a 32-Bit OS? How to set the default program for opening files without an extension in Windows? Keyboard shortcut for creating a new folder or file? (Windows) Using 64bit Windows, how much RAM is sensible for running VisualStudio?