𝐇𝐞𝐫𝐞 𝐚𝐫𝐞 𝐬𝐨𝐦𝐞 𝐦𝐨𝐫𝐞 𝐜𝐨𝐦𝐦𝐚𝐧𝐝𝐬 𝐟𝐨𝐫 𝐧𝐚𝐯𝐢𝐠𝐚𝐭𝐢𝐧𝐠 𝐚𝐧𝐝 𝐦𝐚𝐧𝐚𝐠𝐢𝐧𝐠 𝐭𝐡𝐞 𝐋𝐢𝐧𝐮𝐱 𝐟𝐢𝐥𝐞 𝐬𝐲𝐬𝐭𝐞𝐦:

1. `𝐥𝐧`(𝐋𝐢𝐧𝐤):
• Creates hard or symbolic links to files.
• Usage:
• Hard link: `𝐥𝐧 [𝐬𝐨𝐮𝐫𝐜𝐞] [𝐥𝐢𝐧𝐤_𝐧𝐚𝐦𝐞]`
• Symbolic link: `𝐥𝐧 -𝐬 [𝐬𝐨𝐮𝐫𝐜𝐞] [𝐥𝐢𝐧𝐤_𝐧𝐚𝐦𝐞]`

2. `𝐜𝐚𝐭`(𝐂𝐨𝐧𝐜𝐚𝐭𝐞𝐧𝐚𝐭𝐞):
• Displays the contents of a file.
• Usage: `𝐜𝐚𝐭 [𝐟𝐢𝐥𝐞]`

3. `𝐦𝐨𝐫𝐞 𝐚𝐧𝐝 𝐥𝐞𝐬𝐬`:
• Allows viewing text files one screen at a time.
• Usage:
• `𝐦𝐨𝐫𝐞 [𝐟𝐢𝐥𝐞]`
• `𝐥𝐞𝐬𝐬 [𝐟𝐢𝐥𝐞]`

4. `𝐡𝐞𝐚𝐝 𝐚𝐧𝐝 𝐭𝐚𝐢𝐥`:
• Displays the beginning or end of a file.
• Usage:
• `𝐡𝐞𝐚𝐝 [𝐟𝐢𝐥𝐞]`
• `𝐭𝐚𝐢𝐥 [𝐟𝐢𝐥𝐞]`

5. `𝐞𝐜𝐡𝐨`:
• Prints text or variables to the terminal.
• Usage: `𝐞𝐜𝐡𝐨 [𝐭𝐞𝐱𝐭 𝐨𝐫 𝐯𝐚𝐫𝐢𝐚𝐛𝐥𝐞]`

6. `𝐦𝐯`(𝐑𝐞𝐧𝐚𝐦𝐞):
• Can be used to rename files and directories.
• Usage: `𝐦𝐯 [𝐨𝐥𝐝_𝐧𝐚𝐦𝐞][𝐧𝐞𝐰_𝐧𝐚𝐦𝐞]`

7. `𝐜𝐩`(𝐑𝐞𝐜𝐮𝐫𝐬𝐢𝐯𝐞):
• Copies directories and their contents recursively.
• Usage: `𝐜𝐩 -𝐫 [𝐬𝐨𝐮𝐫𝐜𝐞] [𝐝𝐞𝐬𝐭𝐢𝐧𝐚𝐭𝐢𝐨𝐧]`

8. `𝐟𝐢𝐧𝐝`(𝐃𝐞𝐥𝐞𝐭𝐞):
• Finds files and directories and deletes them.
• Usage: `𝐟𝐢𝐧𝐝 [𝐝𝐢𝐫𝐞𝐜𝐭𝐨𝐫𝐲] -𝐧𝐚𝐦𝐞 [𝐟𝐢𝐥𝐞𝐧𝐚𝐦𝐞] -𝐞𝐱𝐞𝐜 𝐫𝐦 {} \;`

9. `𝐝𝐮`(𝐇𝐮𝐦𝐚𝐧 𝐑𝐞𝐚𝐝𝐚𝐛𝐥𝐞):
• Displays disk usage in a human-readable format.
• Usage: `𝐝𝐮 -𝐡 [𝐝𝐢𝐫𝐞𝐜𝐭𝐨𝐫𝐲]`

10. `𝐝𝐮`(𝐒𝐮𝐦𝐦𝐚𝐫𝐢𝐳𝐞):
• Provides a summary of disk usage of each directory.
• Usage: `𝐝𝐮 -𝐡 — 𝐦𝐚𝐱-𝐝𝐞𝐩𝐭𝐡=1 [𝐝𝐢𝐫𝐞𝐜𝐭𝐨𝐫𝐲]`

11. `𝐭𝐚𝐫`(𝐓𝐚𝐩𝐞 𝐀𝐫𝐜𝐡𝐢𝐯𝐞):
• Creates and manipulates archive files.
• Usage:
• Create a tar archive: `𝐭𝐚𝐫 -𝐜𝐯𝐟 [𝐚𝐫𝐜𝐡𝐢𝐯𝐞_𝐧𝐚𝐦𝐞.𝐭𝐚𝐫] [𝐝𝐢𝐫𝐞𝐜𝐭𝐨𝐫𝐲]`
• Extract from a tar archive: `𝐭𝐚𝐫 -𝐱𝐯𝐟 [𝐚𝐫𝐜𝐡𝐢𝐯𝐞_𝐧𝐚𝐦𝐞.𝐭𝐚𝐫]`

These commands cover a broad range of tasks, from basic file manipulation to more advanced operations like process management and file compression. Always refer to the manual pages (`𝐦𝐚𝐧 [𝐜𝐨𝐦𝐦𝐚𝐧𝐝]`) for detailed information about each command and its options.