/boot/ contains files used for system startup including the kernel. /dev/ contains device files. /etc/ is where configuration files and directories are located. /home/ is the default location for users‟ home directories.

Where is the etc folder located?

The /etc directory is contained in the root directory. It stores storage system configuration files, executables required to boot the system, and some log files.

What is Linux etc folder?

/etc — Configuration Files

The /etc directory contains configuration files, which can generally be edited by hand in a text editor. Note that the /etc/ directory contains system-wide configuration files — user-specific configuration files are located in each user's home directory.