What does the symbol '&&' indicate in a command?

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The symbol && is a logical AND operator used in command-line operations. It allows you to execute multiple commands in sequence, but only if the previous command succeeds (returns a success status).

For example:

mkdir test_dir && echo "Directory created successfully"

In this command, echo "Directory created successfully" will only run if mkdir test_dir is successful. If the directory already exists and mkdir fails, the echo command will not execute.

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