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The rate of data transfer. Bandwidth usually refers to Internet but it can also apply to other systems like the motherboard.

3
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try nethogs: NetHogs is a small 'net top' tool. Instead of breaking the traffic down per protocol or per subnet, like most tools do, it groups bandwidth by process. NetHogs does not rely on a … special kernel module to be loaded. If there's suddenly a lot of network traffic, you can fire up NetHogs and immediately see which PID is causing this. This makes it easy to indentify programs that have gone wild and are suddenly taking up your bandwidth. …
answered Feb 4 '11 by akira
3
votes
something to get you started (just in case you want to write it yourself): #!/bin/bash # # usage: bwmon PID IN=0; OUT=0; TIME=0 get_traffic() { t=`awk '/eth0:/ { printf("%s,%d,%d\n",strftime("% …
answered Feb 4 '11 by akira