set

Display, set or unset values of shell attributes and positional parameters.

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• Display the names and values of shell variables:

set

• Mark variables that are modified or created for export:

set -a

• Notify of job termination immediately:

set -b

• Set various options, e.g. enable vi style line editing:

set -o {vi}

• Set the shell to exit as soon as the first error is encountered (mostly used in scripts):

set -e

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