ul:tldr:d0b61

ul: Display the contents of the file with underlines made of dashes `-`.

$ ul -i ${file-txt}

try on your machine

The command ul -i ${file-txt} appears to be a Unix/Linux command.

Here is an explanation of the components of the command:

ul: This is the command itself. ul stands for "underline", and it is used to underline a specific range of characters in a terminal or console.
-i: This is an option or a flag for the ul command. In this case, the -i option is used to underline text in a specific format. The exact behavior of the -i option may depend on the specific implementation of the ul command.
${file-txt}: This is a placeholder or variable for a file name. The ${file-txt} indicates that the actual file name will be substituted when the command is executed. The file name should be specified as "file.txt". This variable is enclosed in curly braces ({}) and preceded by a $ sign, which is a common way of indicating variables in Unix/Linux.

In summary, the ul -i ${file-txt} command underlines specific text in a terminal or console, using a format specified by the -i option. The specific text to be underlined is determined by the value of the ${file-txt} variable, which indicates a file name.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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