Last checked against version &procinfo-contversion;. lsdev, procinfo and socklist lsdev gathers information about your computer's installed hardware from the interrupts, ioports and dma files in the /proc directory, thus giving you a quick overview of which hardware uses what I/O addresses and what IRQ and DMA channels. procinfo gathers some system data from the /proc directory and prints it nicely formatted on the standard output device. is a Perl script that gives you a list of all open sockets, enumerating types, port, inode, uid, pid, fd and the program to which it belongs.