# Functions
FileExists - checks if file exists.
GetAllExtClients - get all ext clients.
GetNetmakerPath - gets netmaker path locally.
NameInDNSCharSet - name in dns char set.
NameInNodeCharSet - name in node char set.
RemoveDeletedNode - remove deleted node.
SetDNSDir - sets the dns directory of the system.
# Constants
LINUX_APP_DATA_PATH - linux path.