Imports of package browser

PathSynopsis
golang.org/x/sys/execabsPackage execabs is a drop-in replacement for os/exec that requires PATH lookups to find absolute paths.
osPackage os provides a platform-independent interface to operating system functionality.
runtimePackage runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
timePackage time provides functionality for measuring and displaying time.