Project is about creating custom new linux commands which are not already present in the system. Commands runs on the inbuilt linux terminal and present in the system so can be used anytime on the particular system having commands added in system. This reduces the efforts of programmer to write explicit code and programmer can later delete or have modifications in command

Keywords : Linux, Terminal, User Defined, Arithmetic, Logical, Fun, File Handling, Searching, Sorting, Trigonometric, Puzzle, Commands, CPP.