A chain command consists of two or more commands on the same command line, using as separators.
&& to execute the next command only if the prior one succeeds || to execute the next command only if the prior one fails | to pipe the standard output of the prior command to the standard input of the next command ; to execute the next command unconditionally, after executing the prior one & to execute the prior command in the background, executing the next command without waiting for the prior command to finish.
Any outputs to stdout will be asynchronous, as the commands are executing in parallel.
As in any command with long lines, a chain command can continue on the next line by escaping the newline with \ The AND â&&â and OR â||â operators can be combined on a line to create the equivalent of an if
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