But, if you do have difficulty in completing a problem or understanding a posted solution, by all means consult us. Note the reading assignments. System calls for files, directories. System calls for protection and processes. Read Rochkind Chapters 3,5.
System calls for interprocess communication, signals.
Read Rochkind Chapters 6,8. Read Tanenbaum 2.1, 2.4. Demand Paging, Page Replacement, Working Sets. Introduction to file systems, Minix File System. The schedule for discussion sections is hardly decided.