About

File system manager written from scratch in C89 for use with Minix/Linux operating systems. Proof of concept that supports simple operations like:

• create & delete diskfiles
• write to & extract from
• visualize disk structure
• list files & info

Made as a part of Operating System course at Warsaw University of Technology.

Installation

Linux

1. Clone the repo

   git clone https://github.com/szczaww/c89-virtual-disk-file
   

2. Build the project

   make
   

3. Run a demo bash script (Optional)

   make demo
   

Minix

1. Clone the repo

   git clone https://github.com/szczaww/c89-virtual-disk-file
   

2. Transfer ./minix/usr contents into usr/ directory under your minix virtual machine
3. Build the project

   make
   

4. Run a demo bash script (Optional)

   make demo
   

Example usage

1. Create a new disk:
   ./program -c mydisk 1000
   This creates a new disk named mydisk with a size of 1000 units.

2. Add a file:
   ./program -a mydisk file.txt
   This adds file.txt to the mydisk.

3. Remove a file:
   ./program -r mydisk file.txt
   This removes file.txt from mydisk.

4. Extract a file:
   ./program -e mydisk file.txt
   This extracts file.txt from mydisk.

5. Delete a disk:
   ./program -d mydisk
   This deletes the mydisk disk.

6. Show inode bitmap:
   ./program -inm mydisk
   This shows the bitmap for inodes on the mydisk.

7. Show block bitmap:
   ./program -dbm mydisk
   This shows the bitmap for blocks on the mydisk.

8. List normal files:
   ./program -ls mydisk
   This lists all normal files on mydisk.

9. List normal and hidden files:
   ./program -lsh mydisk
   This lists all normal and hidden files on mydisk.

10. Print help message:
    ./program -h
    This prints the help message.