ptime
ptime will run any specified command and parameters, and measure the execution time (run time) in seconds, accurate to 5 millisecond or better. It is an automatic process timer, or program timer used for benchmark purposes.
BusyBox
BusyBox is a single binary that provides several stripped-down Unix tools in a single executable. It runs in a variety of POSI ...
GNU Core Utilities
The GNU Core Utilities or coreutils is a package of GNU software containing many of the basic tools, such as cat, ls, and rm, ...
Toybox (Linux command line utilities)
Toybox combines common Linux command line utilities together into a single BSD-licensed executable that's simple, small, fast, ...