/regular expression/ {statement(s)}

/regular expression/ {statement(s)}

• The -F option with the colon(:) indicates our field separator is the colon.
• The regular expression indicates to match ksh at the end of each password record.
• The action statement says print the username or login name.
  • The action will take place if the pattern match is true.

awk -F: ‘ /ksh$/ { print $1 } ‘ /etc/passwd

This example is useful for finding those user accounts that have /bin/ksh as its startup program.

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