Wikipedia says "*BusyBox* is software that provides several stripped-down Unix tools <https://en.wikipedia.org/wiki/List_of_Unix_commands> in a single executable file <https://en.wikipedia.org/wiki/Executable_file>."
Its also statically linked, so you dont need any libraries; $ file /bin/busybox /bin/busybox: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 2.6.32, stripped, with debug_info > The fsck.*'s are built in
