以下是该shell脚本的源代码：
#!/bin/bash # Shell Script that outputs the number of users with entries in the # Unix or Linux /etc/passwd file # ------------------------------------------------------------------------- # Copyright (c) 2005 nixCraft project < # This script is licensed under GNU GPL version 2.0 or above # ------------------------------------------------------------------------- # This script is part of nixCraft shell script collection (NSSC) # Visit for more information. # ------------------------------------------------------------------------- PASSWD=/etc/passwd # easy method with wc OUT=$(wc -l $PASSWD) # More accurate method to find out # If user account suspended using # character then second method # is more accurate and recommend OUT1=$(grep -Ev "^#" $PASSWD | wc -l) echo "$OUT [$OUT1]" # You can filter result with awk echo $OUT | awk '{ print $1 }'