gtpo1m61Operations

ZFILE mkfifo-Make a FIFO Special File

Use this command to make a FIFO special file. A FIFO special file is a file that is typically used to send data from one process to another so that the receiving process reads the data in first-in-first-out (FIFO) format. A FIFO special file is also known as a named pipe.

Requirements and Restrictions

Format




path
is the path name of the new FIFO special file.

Additional Information

Examples

In the following example, a FIFO special file named my.new.fifo is created. In the display from the ZFILE ls command, the size of the my.new.fifo file cannot be determined; therefore, a value of -1 is displayed in that field.

+---------------------------------------------------------------------------------------------+
|User:   ZFILE mkfifo my.new.fifo                                                             |
|                                                                                             |
|System: FILE0003I 14:20:15 mkfifo my.n... COMPLETED SUCCESSFULLY.  NO OUTPUT TO DISPLAY      |
|                                                                                             |
|User:   ZFILE ls -l -F                                                                       |
|                                                                                             |
|System: FILE0001I 14:20:35 START OF DISPLAY FROM ls -l -F                                    |
|        total 3                                                                              |
|        drwxrwxrwx   1 nobody   nogroup       10 Sep 30  1999 conf/                          |
|        drwxrwxrwx   1 root     bin            2 Sep 30  1999 htdocs/                        |
|        drwxrwxrwx   1 root     bin            3 Nov 16 11:54 logs/                          |
|        prw-r--r--   1 root     bin           -1 Mar 31 11:10 my.new.fifo|                   |
|        END OF DISPLAY                                                                       |
+---------------------------------------------------------------------------------------------+

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