For those of you, who are not lucky to have any colleagues/lab mates/seniors to introduce you to Abaqus and would like to have a jump-start on this FE package- here is the simplest way. Abaqus documentation is one of the best among its competitors and this comes in handy.
The Appendix B of Getting Started with Abaqus: Interactive Edition provides a quick step by step walk through the different modules in Abaqus and gives the basic steps to create and submit a model for FE analysis. You can find it in this online Abaqus documentation or you can download a pdf copy of the same here.
To further grow in your expertise of Abaqus, go through the Getting Started Manual from the beginning. It starts by explaining how the Abaqus package works and takes you through different elements available in Abaqus, illustrating them with help of simple examples.