clifm:tldr:3f5ff
The command "r sel" is not a common or standardized command in any specific programming language or software package. Therefore, without more context, it is difficult to provide a definite explanation for this command.
In some programming languages or software packages, "r" may refer to a function or command related to data manipulation or analysis. For example, in the R programming language, "r" can denote the assignment operator, used to assign a value to a variable.
However, "sel" does not have a universally recognized meaning in programming. It could refer to an abbreviation or shorthand for a specific function, command, or selector within a particular programming language or software package. Therefore, the exact interpretation of the "r sel" command would depend on the context in which it is used.