linux shell &2

引用\[1\]: Shellcode是一种Payload，用于建立正向/反向shell。它是一段用于利用计算机系统漏洞的代码。引用\[2\]:在Linux shell中，&2是标准错误输出的文件描述符。它通常用于将错误消息输出到终端或日志文件中。
#### 引用[.reference_title]
- *1* [day01 操作系统&文件下载&反弹shell&防火墙绕过](https://blog.csdn.net/hesysd/article/details/123262918)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [linux之shell命令——条件判断（&& || test）](https://blog.csdn.net/shang_feng_wei/article/details/90378017)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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