Alternative commands on FreeBSD

Some commands on FreeBDS are different from those on most Linux distribution, here are some alternative/replacement commands used on FreeBSD.

# on freebsd sockstat could check sockets state
pkg install sockstat
sockstat
sockstat -4l
sockstat -6l

pkg install freecolor
freecolor

pkg update && pkg upgrade
pkg install xxx
pkg delete yyy

pstat -s
swapinfo -h

procstat -a

pciconf -lv
## or 
pkg install pciutils

FreeBSD doesn’t mount procfs file system by default, if you need it, you can mount it yourself

mount -t procfs proc /proc

or add to it /etc/fstab

proc     /proc   procfs  rw    0 0

display the status of any files dynamically linked into the kernel

kldstat
kldstat -v

cd /boot/kernel
kldstat
kldload zfs.ko

kldstat

kldunload zfs.ko
kldstat