IFSTAT (man8)
ifstat − handy utility to read network interface statistics
gnu-linux
ifstat − handy utility to read network interface statistics
reiserfsck − The checking tool for the ReiserFS filesystem.
lsns − list namespaces
btrfstune − tune various filesystem parameters
ip-netns − process network namespace management
ipsec_import − Import PKCS#12 (*.p12) files into the IPsec NSS database
veritysetup – manage dm-verity (block level verification) volumes
CAKE − Common Applications Kept Enhanced (CAKE)
ipsec_verify − see if the IPsec subsystem has been installed correctly
nameif − name network interfaces based on MAC addresses