
使用单引号即可成功写入
[root@localhost aimerTest]# echo "guess whaaaaat!!!" >> file1 bash: !": event not found [root@localhost aimerTest]# echo "guess whaaaaat" >> file1 [root@localhost aimerTest]# cat file1 guess whaaaaat [root@localhost aimerTest]# echo 'guess whaaaaat!!!' >> file1 [root@localhost aimerTest]# cat file1 guess whaaaaat guess whaaaaat!!! [root@localhost aimerTest]# >file1 [root@localhost aimerTest]# cat file1命令解释
- echo:写入文件/输出内容
- cat:正序输出文件内容,tac:逆序输出文件内容
- >[fileName]:清空fileName中的内容
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