f

• false - return false value
• fc - process command history list
• fg - run jobs in the foreground
• fgrep - search a file for a fixed-string pattern
• file - determine file type
• find - find files
• fold - filter for folding lines
• fsck - file system check
• fsexpand - expand existing file systems
• ftyp - define file processing mode (BS2000)
• funzip - filter for extracting from a ZIP archive in a pipe
• fuser - display file users