Which organizations signed a Memorandum of Understanding

In shell scripting, $1 represents:

In bash, what does trap 'echo Exit' EXIT do?

Which statement correctly defines a variable in shell scripting?

Which command is used to search for a pattern in files?

Which construct allows embedding a block of text in shell scripts as input?

Named pipes (FIFOs) are created using:

To check if a file /tmp/data.txt is both readable and writable by the current user in a shell conditional, which test is correct?

Which symbol is used in shell scripting to reference a positional parameter, e.g., the first argument passed to a script?

Which special file enables interprocess communication using named pipes?

Which command is used to find the number of lines, words, and characters in a file?