screen
command.en0
) up or down without clicking on the icon at the top:fe80::
is a block of IPV6 addresses reserved for link-local addresses used for packets sent only to directly connected devices (not routed). The network discovery protocol (NDP), which replaces ARP and DHCP in IPv4, is the biggest user of link-local addresses (NDP sorta .dscacheutil
is the Directory Service cache utility used to Gather information, statistics, initiate queries, flush the cache:sudo service network-manager restart
while other Linux flavors usessudo /etc/init.d/nscd restart
.ipconfig /flushdns
.$PATH
using a command such as:~/.Trash
.~
means it is at your user HOME folder..
means it is a hidden folder.-al
includes hidden files and folders)find .
includes files nested within folders as well)cf
in my ~/.bash_profile.empty
in my ~/.bash_profile.launchd
within a plist (XML) file.launchctl
is a rough equivalent to the systemctl
command used in Linux systems.launchctl interfaces with launchd to load, unload daemons/agents and generally control launchd.