参见英文答案 > How to echo a bang!????????????????????????????????????6个
运行echo“Hello world!”在bash中:
运行echo“Hello world!”在bash中:
# echo "Hello world!"
-bash: !": event not found
为什么bash抱怨“!”:找不到事件“?不!一切都OK:
# echo "Hello world"
Hello world
更新:
我的bash版本:
# bash --version
GNU bash, version 4.2.46(1)-release (x86_64-redhat-linux-gnu)