File System Deep Dive, File Operations & Permissions

Short summary

Linux file system hierarchy divides the OS into functional directories: /bin (commands), /etc (config), /var (logs), /boot (kernel). File operations like rm (delete), cp (copy), and mv (move) include safety flags such as -r for recursion and -i for prompts. DevOps workflows rely on managing /etc configs with Ansible, using /tmp for build artifacts, and carefully executing rm -rf with confirmation to prevent system deletion.

• •Linux directories serve specific functions: /bin, /sbin, /etc (configs), /var (logs), /boot (kernel), /home (users)
• •File commands with flags: rm (delete with -rf cautiously), cp (backup before editing), mv (rename/move)
• •DevOps essentials: Ansible manages /etc, CI/CD uses /tmp, always backup critical configs before changes

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