Android File Systems

Android Tutorials - Herong's Tutorial Examples

∟Android File Systems

This chapter provides tutorial notes on Android file systems. Topics include introduction of file systems or partitions; common directories in the file system hierarchy; 'df -H' and 'mount' commands to display file systems, and and space usages; 'find -L . -name' command to search files.

File System Hierarchy and Common Directories

"df -H" - Display Mounted File Systems

"mount" - Display Mounted File Systems

"find -L . -name" - Search Files on Android System

Takeaways:

A file system is partition of a storage device formatted in a specific way to store data.
The file system hierarchy is the logical representation of multiple file systems organized in a tree structure.
Each file system (or partition) is attached (or mounted) to a specific named node (referred as director or folder) in the tree.
/system/app is the directory for pre-installed application packages.
/product/app is the directory for user-installed application packages.
/storage/sdcard is the directory for user files like, Downloads, Movie, Music, Pictures and Ringtones.
"df -H" to display mounted file systems and their space usages.
"mount" to display all file systems with their types and mount options.
"find -L . -name" to search for files on Android systems.