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linux directory structure

/bin - binary applications (most of your executable files)

/boot - files required to boot (such as the kernel, etc)

/dev - your devices (everything from drives to displays)

/etc - just about every configuration file for your system

/etc/profile.d - contains scripts that are run by /etc/profile upon login.

/etc/X11 - configuration files for the X Window system

/home - locally stored user files and folders

/lib - system libraries (similar to Program Files)

/media - mounted (or loaded) devices such as cdroms, digital cameras, etc.

/mnt - mounted file systems

/opt - location for “optionally” installed programs

/proc - dynamic directory including information about and listing of processes

/sys - contains information about the system

/var - mainly logs, databases, etc.

/usr/local/bin - the place to put your own programs. They will not be overwritten with upgrades.

/usr/share/doc - documentation.

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