Unix-like-FileSystem

Course project for Operating System in Tongji University.

Requirements

• Microsoft Visual C++ >= 11.0

Usage

• Before use for the first time, run fformat to generate MyDisk.img.

fformat

• Run cd command to change the directory.

cd [dir]

• Run mkdir command to make a directory.

mkdir [dir]

• To list all files of the current directory, run:

ls

• Run fopen to open a file. If success, the file id fd will be provided.

fopen [dir]

• Run fcreate to create a file.

fcreate [dir]

• Run fclose to close a file.

fclose [fd]

• To read bytes of a file, run:

fread [fd] [nbytes]

• To write bytes to a file, run:

fwrite [fd] [nbytes] [string]

• To relocate the read-write pointer of a file, run:

fseek [fd] [offset] [ptrname]

• Run fdelete to delete a file:

fdelete [dir]

• To quit the file system, run:

quit