This question already has an answer here:

In the computer world error messages are written without verb 'be'. For example,

  • file not found,
  • file not exist,
  • command not found,
  • no such file or directory

and so on. So why verb 'be' is being missed?

UPD My question is duplicate. See "not found" or "is not found"

marked as duplicate by tchrist Jan 15 '17 at 14:32

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  • Because the video screen is only 40 characters wide. – Hot Licks Jan 15 '17 at 13:50
  • Because it saves space. Compare "файл не найден" with "файл не был найден" - "File not found" - "File was not found" you save a verb and therefore space – the_darkside Jan 15 '17 at 13:53
  • It seems to me no sence to save a few spaces when a file name can be very long. – Александр Б Jan 15 '17 at 14:03
  • Although it sounds reasonable – Александр Б Jan 15 '17 at 14:09
  • And let's not forget that the entire program, including all error messages, must fit on a 180K diskette. – Hot Licks Jan 15 '17 at 14:16