Linux Filesystem

/ - root directory
/usr - User programs
/var - Variable files
- e.g. /var/log - Log files
/etc - Text Based Configuration files
- e.g. /etc/passwd - User account information
/bin - Essential user command binaries
- nowadays, /bin and /sbin are symbolic links to /usr/bin and /usr/sbin
/boot - Boot loader files
/dev - Device files
- e.g. /etc/sda -> primary hard drive/disk
/home - Home directories
/lib & /lib64 - Shared libraries
- lib and lib64 are symbolic links to /usr/lib and /usr/lib64
/media - Removable media
- e.g. /media/cdrom - CD-ROM mount point
- e.g. /media/usb - USB drive mount point
/mnt - Mount point for mounting filesystems
/opt - Add-on application software packages
/sbin - Essential system command binaries
/srv - Service data
/tmp - Temporary files
/proc - Kernel and process information
/root - Root user home directory
- need to do sudo su to chnage user and access root user home directory
/sys - Kernel and system information
/usr/local - Local hierarchy for locally installed software

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