How to Make Files Immutable in Linux Using chattr Command

Have you ever accidentally deleted an important configuration file or overwritten changes you needed? Linux offers a powerful but lesser-known feature that can help prevent these situations: file immutability.
Making a file immutable means it cannot be modified, deleted, renamed, or linked to-even by users with root privileges. This provides an extra layer of protection for critical system files or important data.
In this guide, we’ll look at how to use the chattr command to make files imm