[[email protected] /]# less /etc/isiscsi/ issue issue.net [[email protected] /]# less /etc/issue.net CentOS release 6.8 (Final) kernel \r on an \m[[email protected] /]# ll Total dosage 94dr-xr-xr-x. 2 root root 4096 11 month 29 14:54 bindr-xr-xr-x. 5 root root 1024 11 Month 29 14:55 bootdrwxr-xr-x 18 root root 3620 11 Month 29 15:21 Devdrwxr-xr-x. 64 root root 4096 12 month 30 21:17 etcdrwxr-xr-x. 2 root root 4096 9 Month 23 2011 homedr-xr-xr-x. 8 root root 4096 11 Month 29 14:54 libdr-xr-xr-x. 9 Root root 12288 11 Month &Nbsp;29 14:55 lib64drwx------. 2 root root 16384 11 Month 29 14:53 lost+founddrwxr-xr-x. 2 root root 4096 9 Month 23 2011 mediadrwxr-xr-x. 2 root root 4096 9 Month 23 2011 mntdrwxr-xr-x. 2 root root 4096 9 Month 23 2011 Optdr-xr-xr-x 88 root root 0 11 Month 29 23:21 procdr-xr-x---. 2 root root 4096 12 Month 30 21:17 Rootdr-xr-xr-x. 2 root root 12288 11 month 29 14:55 sbindrwxr-xr-x. 2 root root 4096 11 Month 29 14:53 selinuxdrwxr-xr-x. 2 root root 4096 9 Month 23 2011 srvdrwxr-xr-x 13 root root 0 11 Month 29 23:21 sysdrwxrwxrwt. 3 root root 4096 1 Month 1 03:27 tmpdrwxr-xr-x. 13 root root 4096 November 29 14:54 usrdrwxr-xr-x. 17 root root 4096 11 Month 29 14:54 var
/root directory, file system expanded from this location
/bin common binary commands commonly used by ordinary users
/boot system boot-related boot files in this directory
/dev Various devices are present in file form with this directory
/etc most software configuration files and system configuration files are in this directory, and there are some service start-stop scripts
Home directory, in addition to the root user and the user who specified the home directory, which is the default location for all user home directories
/lib Various library files
/lib64 a variety of 64-bit library files
/media temporary mount directory for mobile devices, CD-ROM or USB flash drive
/MNT is typically used to mount file systems or this external device
/OPT application can choose to install to this directory
/proc This is a virtual file system, process information and system information are in this directory, many files can be opened directly to view
/root Root User's home directory
/sbin generally stores binary commands used by privileged users
/tmp Temporary file directory, the directory will be emptied when the system restarts
/USR user data, important to have bin\sbin\local\lib
/var store variable file, important as Log\lib\mail\spool
Common Linux directories and features