Important directories
Linux installs a range of directories on the hard disk. Here are some of the most important:
/ is the root of the filesystem.
/boot is where the Linux Kernel and Bash are stored.
/home is where the each user’s files are stored.
/root is where the root user’s files are stored.
/etc contains configuration files.
/etc/skel is where you put files if you want them to appear automatically in new users’ home directories.
/dev is where the devices on the system, like CD-Rom drives and modems are represented.
/bin is where many system commands are stored. Imagine an inventor’s garage – it might look like a bin but it contains lots of useful tools.
/usr/bin is like /bin; the difference is arbitrary.
/sbin and /usr/sbin contain system commands only available to root (the superuser).
/lib contains program libraries.
/mnt contains mount points for removable media.
/opt contains optional programs.
/proc contains currently-running Kernel-related processes.
/tmp is where the system stores temporary files.
/usr contains little programs available to all users.
/var is for variable files, such as logs and temporary spool files for printers.
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