Linux File Structure

bin - commands needed during bootup
sbin - like bin but commands are not intended for normal users
proc - a virtual file system
usr/local - the place for locally installed software and other files
lib/modules - loadable kernel modules

Linux Configuration Files
/etc/exports - the file describing exported file systems for NFS
/etc/mtab - a list of currently mounted file systems

Linux File System Management

badblocks - used to search ad disk or partition for badblocks
cfdisk - similar to fdisk but better interface