Rcupdate
Rcupdate is a utility used in Linux systems to update file system metadata and to synchronize file system changes with the buffer cache. It is primarily used in conjunction with XFS file systems, although it can be used with other file systems as well.
Rcupdate executes on the file system superblock every time the system reboots or shut down. It synchronizes
Rcupdate also resets the file system state, including the last mount time and the number of transactions
Rcupdate can be triggered manually with the `sync` command or left to run automatically as a system
The rcupdate utility is typically used to guarantee the consistency of file systems that are used in
Overall, rcupdate is an essential utility for maintaining the integrity of file systems on Linux systems, making