mate:tldr:d248d

This command is using the "mate" editor with specific options and arguments. Here's a breakdown of the command:

• "mate": This is the command to open the "mate" editor. "mate" is a text editor specifically designed for macOS.
• "--line": This option is used to specify the line number within a file.
• "${line_number}": This is a placeholder for the specific line number you want to open in the editor. You need to replace "${line_number}" with an actual line number.
• ":" (colon): This separates the line number and column number.
• "${column_number}": This is a placeholder for the specific column number you want to navigate to within a line. You need to replace "${column_number}" with an actual column number.
• "${filename}": This is a placeholder for the name of the file you want to open in the editor. You need to replace "${filename}" with an actual file name.

Overall, this command will open the "mate" editor and navigate to a specific line and column within a file. It is helpful when you want to open a file and directly jump to a particular location within it.