Computing

• Journaling file system
  Journaling file system
  A journaling file system is a file system that keeps track of the changes that will be made in a journal before committing them to the main file system...
  
   (or journaled file system), a type of file system
• JFS (file system) (or IBM Journaled File System), a journaling file system by IBM
• JFS (Veritas), an OEM version of the Veritas File System, a journaling file system by Veritas

Other

• JFS (school), a Jewish secondary school in North London
• John Fishwick & Sons, a bus company in Lancashire, England
• Journal of Food Science
  Journal of Food Science
  The Journal of Food Science is a peer-reviewed scientific journal that was established in 1936 and is published by John Wiley & Sons on behalf of the Institute of Food Technologists in Chicago, Illinois...
  
  , the official scientific journal of the Institute of Food Technologists
• Journal of Futures Studies, a scientific journal published by Tamkang University Press, Taiwan