sm:tldr:46284

sm: Display a message rotated 3 times (in steps of 90 degrees, counterclockwise).

$ sm -r ${3} "${Hello World!}"

try on your machine

The given command "sm -r ${3} "${Hello World!}" is not a valid command because it seems to have a syntax error.

However, let's break it down to analyze it:

"sm" represents a command or program that is likely to be executed. Without knowing the specific context or purpose of the "sm" command, it is difficult to provide a detailed explanation. Please provide more information about the command if you have it.
"-r" is an option or flag passed to the "sm" command. "r" is an abbreviation for a specific action or behavior associated with the "sm" command. Again, without context, it is not possible to determine the exact meaning of this flag.
"${3}" represents a placeholder or variable. The dollar sign with curly braces indicates that the value of the variable will be inserted into this part of the command. However, without more context, it is impossible to know what value should be substituted for this variable.
"${Hello World!}" appears to be a syntax error. It seems to indicate the value of another variable, but variable names cannot contain whitespaces or special characters. Variables are typically defined without spaces or special characters, such as "HELLO_WORLD". Additionally, variables are usually assigned a value using the equals sign (=). For example, "HELLO_WORLD='Hello World!'" would be a valid variable assignment.

Please provide more information or clarify if the given command has any additional context, purpose, or known software associated with it.

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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