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csh:tldr:baef3
The command "csh -c "${echo 'csh is executed'}"" is an example using the C shell (csh) to execute a specific command or set of commands.
Here is a breakdown of each component:
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"csh": This specifies the C shell to be used for executing the command.
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"-c": This option tells the shell that the subsequent argument will be a command or a set of commands to be executed.
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"${echo 'csh is executed'}": This is the command or set of commands to be executed. In this case, it is a single command enclosed within double quotes "${}".
Within the command "${echo 'csh is executed'}", there is another command "echo 'csh is executed'". The "echo" command is used to display or print the provided text. In this case, it will output the text "csh is executed".
So, when you run the complete command "csh -c "${echo 'csh is executed'}"", the C shell will execute the inner command "echo 'csh is executed'", resulting in the output "csh is executed" being displayed in the terminal.