ndd
Help: ndd /dev/eri \?
get
ndd /dev/eri link_status: 0 = down, 1 = up
ndd /dev/eri link_speed: 0 = 10 MBit/s, 1 = 100 MBit/s or number in MBit/s
ndd /dev/eri link_mode: 0 = half-duplex, 1 = full-duplex
set
ndd -set /dev/eri adv_autoneg_cap 0
ndd -set /dev/eri adv_100fdx_cap 0
ndd -set /dev/eri adv_100hdx_cap 0
ndd -set /dev/eri adv_10fdx_cap 0
ndd -set /dev/eri adv_10hdx_cap 0
Settable also in /etc/system
Processes
prstat equivalent of top
pstack PID print stack trace of PID
pldd PID lists shared libs of PID
pmap -x PID prints memory map
Graphical Tools
sdtperfmeter like vmstat
sdtprocess like ps
Kernel
isainfo -kv shows if the kernel is 32 bit or 64 bit.