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...The software is intended to be run as a GNU/Linux service that always runs in the background and can be used to both receive location updates from a remote tracker as well as configuring the tracker (over both USB and a GPRS link to the device).
All received events are stored in a database and the daemon supports export of events to GPX, KML, CSV format. It is also possible to have specific action scripts executed upon receiving specific events or generate mail notifications.
The daemon and command shell comes with extensive reference documentation (HTML & PDF) and Unix man pages.
...Modern computers and devices often use USB to emulate serial communications. This works well, except the device has a serial address (e.g. ttyUSB0) and a USB address.
tty2usb is a utility that probe system information to display the link between USB and serial addresses.
gives remote control of a PC running MS-DOS (which e.g. does not have a monitor display attached to it). The screen image (currently text mode only) is taken from the graphics card and transferred to other computer via serial link and displayed there