Which class ?

I know linux is important to learn, its been two years sense i took my intro to linux class and am worried i might be in over my head, their is a lab with the linux class as well. In regards to Unix, can anyone give me any info on what this class will consist of or which one would benefit me more. Im leaning towards linux.
[h=3]Information Technology 471 - Adv Linux Admin[/h]
Planning, design and implementation of advanced services in LINUX server. Emphasis is on the application and use of LINUX and open source technologies.
or
[h=3]Computer Science & Statistics 360 - Unix Op Sys[/h]
History, operating system fundamentals, basics, file system, informational and text utilities, vi editor, Bourne shell programming, X windows, networking, awk and perl programming.
[h=3]Information Technology 471 - Adv Linux Admin[/h]
Planning, design and implementation of advanced services in LINUX server. Emphasis is on the application and use of LINUX and open source technologies.
or
[h=3]Computer Science & Statistics 360 - Unix Op Sys[/h]
History, operating system fundamentals, basics, file system, informational and text utilities, vi editor, Bourne shell programming, X windows, networking, awk and perl programming.
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