README

• lab 1 is equipped with a plain UI.

• lab 2 has two parts, as the filename suggests.

• lab 3 has a macro in the source code named UNIT_SIZE, to adjust the size of the shared-memory unit in bytes.

  To use the executable file ,you may use a terminal like this:./shmlab [inputfilename] [outputfilename]

  A small bug exists, though, which occurs when the UNIT_SIZE is critically smaller than the file to copy, I am still working on it for its perfection.

• lab 4 is suggested to be used under mount points like /home in linux. Or the output may be incorrect.