pixterm:tldr:40669

The command "pixterm -tr ${24} -tc ${80} ${filename}" is a command line instruction that executes the program "pixterm" with certain options and arguments.

Here's the breakdown of the command:

• "pixterm" is the name of the program or command that is being executed.
• "-tr" is an option or flag that specifies the terminal rows or height. In this case, it is set to ${24}, which means it will set the terminal rows to 24. The ${24} is likely a variable that holds the value 24, and it is being expanded or substituted in the command.
• "-tc" is another option that specifies the terminal columns or width. In this case, it is set to ${80}, which means it will set the terminal columns to 80. Similar to -tr, the ${80} is likely a variable holding the value 80.
• "${filename}" is an argument that represents the name or path of a file. It is again likely a variable that holds the name of the file, and it is being expanded or substituted in the command.

So, when the command is executed, it will launch the "pixterm" program with the specified terminal row and column dimensions (24x80 in this case) and process the provided ${filename}. The exact functionality and purpose of the "pixterm" program and the role of the filename argument would depend on the specific program and use case.