using apt

[MICHAEL WEAVER]

As someone who is totally Blind and as I presume it is difficult or 
impossible to get speech to read notifications as regards updating 
Ubuntu, how often should I run the apt commands to update and upgrade my 
laptop which is running Edgy until Feisty is released?
Do you always do a sudo apt-get update followed by an apt-get dist 
upgrade even if you may be still on the same version of Ubuntu?