Subject says it all. I need to be able to use my serial port with a VT100 emulator to connect to my Cisco switches and manage them directly. Thus far, I've only ever used HyperTerminal and an odd floppy-booted terminal that worked... after a lot of configuration that couldn't be saved. I'm currently on Kubuntu 11.04, switching to Ubuntu 11.10 when it comes out. I thought I might be able to use screen, based on the man page, but if so I'm afraid I'm completely missing how I'd go about doing that. Anyone want to help?

Also, I'm using a USB serial adapter, but that's registered just fine to /dev/usb/ttyUSB0. Just info for anyone who may care.

EDIT:
Okay, looks like I got GtkTerm to work. Anyone know of a good terminal-based one though, or alternatively how to get screen working for me? Would prefer not to have to go through the GUI if I need.

HAve you looked into minicom?

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+1 on minicom

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Aha! You guys are awesome, thanks. That's exactly what I was looking for. Works great.