1 Commands and Data Files shell Shell and Shell Scripts dirs Manipulating Directories files Manipulating Files secur Privacy and Security editor Editors Programming prog_c Programming \- In C prog_other Programming \- In Other Languages lib_obj Programming \- Libraries and Object Files debug_tune Programming \- Debugging and Tuning Writing Papers writing_troff Writing Papers \- Troff and Troff Preprocessors writing_other Writing Papers \- Other Formatters writing_aids Writing Papers \- Writing Aids writing_output Writing Papers \- Output numbers Numerical Mathematics graphics Graphics Communication comm_term Communication - Terminals comm_dev Communication \- Other Devices comm_users Communication \- Other Users comm_mach Communication \- Other Machines proc_man Process Management time_man Time Management Instruction, Games & Miscellany inst_info Instruction and Information misc Miscellany System Administration sa_mortals System Administration \- Not just for su sa_nonmortals System Administration \- su Only sa_auto System Administration - Usually or Always Run Automatically 2 Functions, Subroutines and Data Structures Manipulating Directories & Files dirs Directory Functions file_inq_creat File Inquiry/Create Functions file_io File Open/Read/Write Functions secur Privacy and Security Manipulating Processes time_man Manipulating Processes \- Time Management mem_man Manipulating Processes \- Memory Management proc_man Manipulating Processes \- Process Management debug_tune Manipulating Processes \- Tuning and Debugging data_man Data Manipulation/Database Management datatype C++ Data Types math Mathematics graphics Graphics Communication comm_term Communication \- Terminals comm_proc Communication \- Between Processes comm_mach Communication \- Outside World sa System administration/Only for the Knowledgeable misc Miscellany