Implements a Unix shell filesystem in C
Run "unix.exe"
Using gcc or your preferred C compiler, compile the following 3 files and run the output.
gcc unix.c unix.h unix-datastructure.h
Called by the system on launch, creates file system.
Deletes all files and directories in the filesystem and frees their memory.
Creates file of argument name.
Removes file or directory with argument name.
Creates directory of argument name.
Changes current directory to argument.
Lists all files and directories in the current directory.
Prints current working directory.