Last checked against version 18.
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.
Last checked against version 18.
Binutils: as, ld
Fileutils: install, mkdir
Gcc: cc1, collect2, cpp0, gcc
Make: make