A Disk Scheduling Simulator tool. With an intuitive GUI interface and command line functionality. Built using both VC and VB. Currently supports SSTF,LOOK,CLOOK,SCAN and CSCAN algorithms. Rotational latency is also optionally supported.
qos-htb is the easy bandwidth management solution you've been waiting for and graphix makes graphs from which you can see in a second exactly who's eating the bandwidth !
Serbert is a command line utility which performs a Bit Error Rate Test (BERT) on serial lines for Unix and it's variants. It does this by transmitting bytes, and waiting for their uncorrupted return. Bit error rate testers are used to test and fault