Manage the filesystem cache.
Print the cache status of a file
vmtouch path/to/file
Load a file into cache
vmtouch -t path/to/file
Evict a file from cache
vmtouch -e path/to/file
Lock a file in cache to prevent eviction from memory
vmtouch -l path/to/file
Lock a file and daemonize the program
vmtouch -ld path/to/file