xed:tldr:16bb0

The command "xed ${filename1 filename2 ---}" is not a valid command by itself.

However, if we assume that "${filename1 filename2 ---}" is a placeholder for actual filenames, then the command could potentially be trying to open multiple files at once using the text editor "xed".

"xed" is a command-line text editor present in certain Linux distributions. When used with a filename as an argument, it opens the specified file in the editor.

In this case, "${filename1 filename2 ---}" suggests that multiple filenames can be passed separated by spaces. The "---" indicates that more filenames can follow, but it is unusual to have "---" in a command and likely a typo or misunderstanding.

For example, if we have three files named "file1.txt," "file2.txt," and "file3.txt," you could try to open them simultaneously using the command "xed file1.txt file2.txt file3.txt". This would open all three files in the "xed" editor, allowing you to edit them simultaneously if desired.