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Line 1: '''Memory-disk synchronisation'''<ref>{{cite ~~web~~journal \|last1=Chen \|first1=Congcong \|last2=Cui \|first2=Jinhua \|last3=Qu \|first3=Gang \|last4=Zhang \|first4=Jiliang \|title=Write+Sync: Software Cache Write Covert Channels Exploiting Memory-Disk Synchronization \|~~url~~journal=~~https://ieeexplore.ieee.org/document/10556692~~IEEE ~~\|website=ieeexplore.ieee.org~~Transactions ~~\|access-date=1~~on Information Forensics ~~July~~and ~~2025~~Security \|pages=8066–8078 \|doi=10.1109/TIFS.2024.3414255 \|date=2024 \|volume=19 \|bibcode=2024ITIF...19.8066C }}</ref><ref>{{cite ~~web~~arXiv \|last1=Chen \|first1=Congcong \|last2=Cui \|first2=Jinhua \|last3=Qu \|first3=Gang \|last4=Zhang \|first4=Jiliang \|title=Write+Sync: Software Cache Write Covert Channels Exploiting Memory-disk Synchronization \|~~url~~date=~~https://arxiv.org/abs/2312.11501~~2023 \|~~website~~class=~~arxiv~~cs.~~org~~CR \|~~access-date~~eprint=~~1 July~~2312.11501 ~~2025~~}}</ref> is a process used in [[computer]]s that immediately writes to [[disk storage\|disk]] any data queued for writing in volatile memory. Data is often held in this way for efficiency's sake, since writing to disk is a much slower process than writing to [[random access memory\|RAM]]. Disk synchronization is needed when the computer is going to be shut down, or occasionally if a particularly important bit of data has just been written. In [[Unix]]-like systems, a disk synchronization may be requested by any user with the '''sync''' command.

Memory-disk synchronization: Difference between revisions