在Debian系統中，你可以使用命令行工具來進行字符串比較。這里有幾種方法：
test命令：string1="hello"
string2="world"
if [ "$string1" = "$string2" ]; then
echo "Strings are equal."
else
echo "Strings are not equal."
fi
[[ ]]條件表達式（推薦）：string1="hello"
string2="world"
if [[ "$string1" == "$string2" ]]; then
echo "Strings are equal."
else
echo "Strings are not equal."
fi
grep命令：string1="hello"
string2="world"
if echo "$string1 $string2" | grep -qE '^\s*([a-zA-Z]+){2}\s*$'; then
echo "Strings are equal."
else
echo "Strings are not equal."
fi
awk命令：string1="hello"
string2="world"
if echo "$string1 $string2" | awk '{ if ($1 == $2) print "Strings are equal."; else print "Strings are not equal." }'; then
echo "Strings are equal."
else
echo "Strings are not equal."
fi
這些方法都可以在Debian系統中的shell腳本或命令行中使用。根據你的需求和喜好選擇合適的方法。
