What does a Unix System Administrator do?

I have an engineering degree in Computer Science and I am fairly good in Java Programming. However, for the past two years I have been working as an Unix System Admin and have got pretty good at that too. Now, I am about to change my job and have been...

Where can I find a map like the one in Ye Zhao's answer How do I become a data scientist? but about the differents paths to become a System Administrator? What are the different paths to take in this field? Which of them are the most desired? What the...

Some colleagues told me to "forget" Unix administration and jump into the world of Grid (DataSynapse) + Cache (Oracle Coherence) What do you think about? I have one year to specialize in what I want, but I like many things. The decision would...

Would it be a good idea to try to learn one over the other or have a general knowledge of both but not know one better than the other.

What were your greatest victories and punishing woes as a unix/linux system administrator? I've been learning both unix and linux recently from a desire to use Solaris on a home server, and then the whole system administration thing hit me. So, I wanted...

I am looking for a job in the Dallas Texas area as a Senior Unix Systems Administrator. I have multiple years of experience in production and development support and administration work. I have experience with Solaris (6, 7,& 8), Linux and FreeBSD...

So I'm in the networking field trying to become a network administrator. now i'm almost at graduation point with a bachelor degree in network and system administration and I've at so many job application where companies require unix/linux knowledge....