dscl . -create /Users/$user UniqueID $uid
dscl . -create /Users/$user UserShell /usr/bin/false
dscl . -create /Users/$user RealName 'secnet'
dscl . -create /Users/$user UniqueID $uid
dscl . -create /Users/$user UserShell /usr/bin/false
dscl . -create /Users/$user RealName 'secnet'