I have never worked with Linux anything on a company, so I can only awnser what I tjink would most anoye me. (Ed. I have never tryed to find a linux job through a consultant, as ther hardly are any here.)
a) as the market is in general in Sweden, can be very anoying, mainly cus most companies here seams to sill feer linux.
Even thouh I actuly think it is about current employies, beeing afraid of it as thay usaly lack the knowlage.
b) Is not so anoying if the "recruitment consultants" is aware and open with it.
Some can apper to be like a 15 year old, Counterstrike player down the Internet Cafe, that thinks he's knows computers, 'cus he wrote a macro. Few things are as anoying as that.
Just to add, "recruitment consultants" here in Sweden, dose not have a good reputation (around me anyhow).
b) is a general awnser for them all together.
Especaly if you dont have a job atm. some of them can treat you like shit,
even though thay most likely not have studyed half the time and areas you have yourself.
Now I dont think you are like that
But all to many are.
I am the one you thought I was! Just not the way, you expected...