You want to save the file you are editing before running the operating system command. Enter an operating system command or commands at the shell prompt. If you select Run an AIX Shell Command within a Box option, the editor displays the Shell command box. The editor displays the message Executing and, when the command completes, displays the results of the operating system command in a box. If the command has no output, the editor displays the message No output .
Filters are commands that change files.
For example, the rpl command is the INed editor filter command to replace text in a file. Some other useful operating system filter commands are the nl , sort , and tr commands. You can also use many other operating system commands as filters. For more information on commands, see Editor Commands. The end of a paragraph is a blank line or a line beginning with a .