> For the complete documentation index, see [llms.txt](https://alham-rizvi.gitbook.io/alhamrizvi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://alham-rizvi.gitbook.io/alhamrizvi/picoctf-writeups/picoctf/forensics/disk/sleuth_intro.md). # sleuth\_intro install sleuthkit, use mmls command to know where the partitions start, image Based on the output from your `mmls` command, the answer the CTF is looking for is right there in the table. #### The Answer The size of the Linux partition is **202,752** sectors. #### What it is and why Imagine a physical hard drive is like a **large warehouse**. 1. **Sectors (The Bricks):** A hard drive doesn't store data in one giant pile. It breaks the space down into tiny, equal-sized "bricks" called **Sectors**. On most systems (like yours), one sector is **512 bytes**. 2. **Partitions (The Rooms):** You don't usually use the whole warehouse as one room. You build walls to create sections. In your output, the "Linux" line is one of those rooms. 3. **The "Length" Column:** This tells you exactly how many "bricks" (sectors) were used to build that specific room. #### Breaking down your `mmls` output: * **Start (2048):** This is where the room begins. The first 2047 sectors are left empty (Unallocated) to leave space for the "doorway" (the Bootloader/Partition Table). * **End (204799):** This is the address of the very last brick in that room. * **Length (202752):** This is the **total count** of sectors inside that room. **Calculation check:** If you subtract the Start from the End and add 1 (to include the starting sector itself), you get the length: $$204799 - 2048 + 1 = 202752$$ #### How big is that in "Human" numbers? Since each sector is 512 bytes: $$202752 \times 512 = 103,809,024 \text{ bytes}$$ That is approximately **103.8 MB**. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://alham-rizvi.gitbook.io/alhamrizvi/picoctf-writeups/picoctf/forensics/disk/sleuth_intro.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.