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Lesson 1: Practice questions

Question 1:

Name the softwares for Windows and Macs that we use to connect to Biowulf.

Solution

For Windows 10 or beyond users, we have the Command Prompt application. Alternatively, Windows users can use PuTTy or MobaXterm.

Mac users can use the built in Terminal application.

Question 2:

Connect to your Biowulf account, how do we do this?

Solution

Via the Windows Command Prompt or Mac Terminal

ssh username@biowulf.nih.gov

Question 3:

What is the hierarchical architecture of Biowulf?

Solution

  • Cluster
  • Computer/node
  • Processor
  • Core
  • CPU

Question 4:

What is the Unix command for checking your username and group affiliation?

Solution

id

Question 5:

What is the Unix command for making a new directory?

Solution

mkdir

Question 6:

Upon signing on to Biowulf, users will land in the log-in node and should not be used for compute intensive tasks (True or False).

Solution

True

Question 7:

The Biowulf home directory is where users should store data and analysis output and it's storage limit can be increased (True or False).

Solution

False