1. Root directory
/boot save system boot files, including kernel files, boot files (grab)
/etc system commonly used configuration files, system administrators need to modify the files frequently, determine the system behavior of the configuration file
/bin put user commands commonly used, such as VI CP LS CD ... All users can use!
/sbin the commands used to save the system maintenance such as: Fdisk MKFS ordinary users cannot use
/lib the library files required for the system to run, such as the static library. A file dynamic library. So
/dev system device files, such as/dev/cron/dev/hba/dev/sdb
/var save changed files such as log files, offline files
/MNT system used to install file system device directory, CD/mnt/cdrom u disk/mnt/sdb2
/PROC system memory CPU mapping file Cd/proc VI cpuinfo//view CPU Information VI meminfo//view memory information
/TMP saves temporary files generated when the system is running
Save user-related information in the/USR system
/home directory for ordinary users
/root home directory for super users