# Packages
Package genv provides operations for environment variables of system.
Package gfile provides easy-to-use operations for file system.
Package gmlock implements a concurrent-safe memory-based locker.
Package gmutex implements graceful concurrent-safe mutex with more rich features.
Package gstructs provides functions for struct information retrieving.
Package gtime provides functionality for measuring and displaying time.
Package gtimer implements timer for interval/delayed jobs running and management.