- 时间:2020-04-25 23:46 编辑: 来源: 阅读:
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摘要:linux中vi编辑器的练习心得
1. 用vi编写一个文档test.txt,将其存放在用户在用户主目录下,内容如下:
Plagiarism is breach of Integrity.It is a form of cheating in assessment and may occur in oral,written or visual presentations.
Plagiarism covers a of inappropriate behaviours,includeing:
failure to properly document a source Collusion between students or other people or tutors Copying another student's work
Purchasing pre-written or on-demand papers from the numerous paper mills and cheat sites Submitting work that you have previously submitted for another course
[b](1) 将此文件另存为test2.txt,将其存放在用户主目录中。[/b]
先使用vi编辑器编辑test.txt在使用mv命令修改其名称
[img]http://files.jb51.net/file_images/article/201711/2017112017064472.png[/img]
最后使用mv移动到用户主目录中
[b](2) 第一行缺少一个单词Academic,将它加到单词Intergrity的前面。[/b]
[b] [img]http://files.jb51.net/file_images/article/201711/2017112017064473.png[/img]
[/b]
[b](3) 第三行的varity少了一个e,应改为variety,请改正。[/b]
[img]http://files.jb51.net/file_images/article/201711/2017112017064474.png[/img]
[b](4) failure的但一个字母应为大写F,请改正。[/b]
[img]http://files.jb51.net/file_images/article/201711/2017112017064475.png[/img]
[b](5) 将倒数第一,第二行的顺序颠倒过来(用复制和粘贴功能)。[/b]
[img]http://files.jb51.net/file_images/article/201711/2017112017064576.png[/img]
[img]http://files.jb51.net/file_images/article/201711/2017112017064577.png[/img]
[b](6) 删除包含Collusion的那一行。[/b]
[img]http://files.jb51.net/file_images/article/201711/2017112017064578.png[/img]
[img]http://files.jb51.net/file_images/article/201711/2017112017064579.png[/img]
[b](7) 将/etc/passwd文件的内容读入到文章的结尾处。[/b]
[img]http://files.jb51.net/file_images/article/201711/2017112017064580.png[/img]
[img]http://files.jb51.net/file_images/article/201711/2017112017064581.png[/img]
[b](8) 有一个扩展命令可以快速地实现全部替换操作,现用此命令将所有的单词Plagiarism替换为PLAGIARISM,[/b]命令如下:
:1,$s/Plagiarism/PLAGIARISM/g
[img]http://files.jb51.net/file_images/article/201711/2017112017064582.png[/img]
[img]http://files.jb51.net/file_images/article/201711/2017112017064583.png[/img]
[b](9) 撤销上一操作(用命令 u),用下面的命令实现替换,每一次替换时需要用户确认。[/b]命令如下:
:1,$s/Plagiarism/PLAGIARISM/gc
[img]http://files.jb51.net/file_images/article/201711/2017112017064584.png[/img]
[img]http://files.jb51.net/file_images/article/201711/2017112017064585.png[/img]
[img]http://files.jb51.net/file_images/article/201711/2017112017064586.png[/img]
[b](10) 检查修改是否正确,确认无误后保存文件并退出。[/b]
[img]http://files.jb51.net/file_images/article/201711/2017112017064587.png[/img]
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