实验报告3：Linux正确关机的方法（超详细版）

怼烎@ 2023-07-02 07:23 19阅读 0赞

实验1 超简单文本编辑器nano的用法

实验目的：掌握gedit、nano的用法

实验要求：

1、用命令gedit创建一个文档，运行文档在其中任意输入一段文字，保存名为qqq。关闭保存该文件。

![20200127194632721.png][]

2、重新打开该文件，在其中再任意输入一段文字。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70][]

3、用nano编辑器来编辑qqq文档，在其中任意输入内容，将其保存（ctrl+o）,然后退出（ctrl+x）。

![20200127194744153.png][]

4、再次用nano编辑器打开qqq，将其另存为aaa文档。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 1][]

实验2正确关机的方法

实验目的：掌握shutdown、reboot、halt、poweroff的用法和区别

实验要求：

1.  掌握惯用的关机命令和技巧

(1)将数据同步写入硬盘中的命令： sync

(2)惯用的关机命令： shutdown，如下图设置关机。

(3)重新启动，关机： reboot, halt, poweroff

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 2][]

2. 比较各种关机技巧的区别

*  \[root@www ~\]\# shutdown -h now
 *  \[root@www ~\]\# poweroff -f
 *  \[root@www ~\]\# init 0

实验3重置root密码

实验目的：掌握root的重置

实验要求：

请将root密码改为webber91。请截图或描述出完整的步骤。

1．读秒阶段按E进入下图

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 3][]

2．按e进入

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 4][]

3．选择第二行，再按e，进入下图，再后面输入空格+数字1或字母s（single），进入1级别的意思

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 5][]

4．再按回车，进入下图。再按b

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 6][]

5．按b后进入下图，输入passwd

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 7][]

6. 再输入新的密码并再次输入新的密码，最后输入exit重启即可。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDAxNTY2OQ_size_16_color_FFFFFF_t_70 8][]

[20200127194632721.png]: https://img-blog.csdnimg.cn/20200127194632721.png
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