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我们平时使用命令的时候,如果忘记的或者不知道这个命令如何使用,然后你就会去百度,也会去使用man 或者 -- help 查看,但是看到的一般都是长篇大论。
如果你看了这篇文章,就会知道tldr是怎么样的存在。
tldr 的含义
TL;DR stands for "Too Long; Didn't Read". It originates in Internet slang, where it is used to indicate that a long text (or parts of it) has been skipped as too lengthy. Read more in Wikipedia's TL;DR essay
这个是从github上截取的一段解释,全称是 Too Long;Didn't Read
,翻译成中文的意思就是什么?
我昨天带我儿子去参加英语培训课程,他们老师给我做了一个测试,让我把自己的电话号码用中文说出来,之后,他们又让我把我的电话号码用英语说出来。
用中文说出来很简单,但是用英文说出来,还是比较困难,因为我说英文的时候,总是先想一下才能说出来,这就导致了速度很慢。
说中文的时候是这样
说英文的时候是这样
我说这个是想表达一个观点,我们对中文的认知是感觉来的,但是对英文的认知是思考来的,所以对于Too Long;Didn't Read
这句话的理解,如果真翻译了,就失去它的味道了。
从目前为止,我看到的最好的翻译是
太长了不看
#如何使用?
很简单tldr 加上后面需要解释的命令就好了。
weiqifa@bsp-ubuntu1804:~/in10$ tldr ls✔ Page not found. Updating cache...✔ Creating index... ls List directory contents. - List files one per line: ls -1 - List all files, including hidden files: ls -a - List all files, with trailing / added to directory names: ls -F - Long format list (permissions, ownership, size and modification date) of all files: ls -la - Long format list with size displayed using human readable units (KB, MB, GB): ls -lh - Long format list sorted by size (descending): ls -lS - Long format list of all files, sorted by modification date (oldest first): ls -ltrweiqifa@bsp-ubuntu1804:~/in10$ tldr --update✔ Updating...✔ Creating index...weiqifa@bsp-ubuntu1804:~/in10$ tldr zip zip Package and compress (archive) files into zip file. - Package and compress a directory and its contents, [r]ecursively: zip -r compressed.zip path/to/directory - E[x]clude unwanted files from being added to the compressed archive: zip -r compressed.zip path/to/directory -x path/to/exclude - Archive a directory and its contents with the highest level [9] of compression: zip -r -9 compressed.zip path/to/directory - Package and compress multiple directories and files: zip -r compressed.zip path/to/directory1 path/to/directory2 path/to/file - Create an encrypted archive (user will be prompted for a password): zip -e -r compressed.zip path/to/directory - Add files to an existing zip file: zip compressed.zip path/to/file - Delete files from an existing zip file: zip -d compressed.zip "foo/*.tmp" - Archive a directory and its contents to a multi-part [s]plit zip file (e.g. 3GB parts): zip -r -s 3g compressed.zip path/to/directoryweiqifa@bsp-ubuntu1804:~/in10$
从上面可以看到,我们可以直接看到比较简短的使用介绍
如果我们使用man的话,是这样的。
#如何安装?
我这里安装是在ubuntu系统里面,如果是其他的系统需要自行查找资料。
sudo apt-get install nodejs
sudo apt-get install npm
sudo npm install -g tldr
执行上面三条指令后,需要再执行
tldr --update
来更新tldr 到最新的状态
之后就可以让tldr 带你享受人生了,说实话,我用了这个命令后,觉得自己的时间可以节省下至少 10分钟。
weiqifa@bsp-ubuntu1804:~$ tldr dd dd Convert and copy a file. - Make a bootable usb drive from an isohybrid file (such like archlinux-xxx.iso) and show the progress: dd if=file.iso of=/dev/usb_drive status=progress - Clone a drive to another drive with 4MB block, ignore error and show progress: dd if=/dev/source_drive of=/dev/dest_drive bs=4M conv=noerror status=progress - Generate a file of 100 random bytes by using kernel random driver: dd if=/dev/urandom of=random_file bs=100 count=1 - Benchmark the write performance of a disk: dd if=/dev/zero of=file_1GB bs=1024 count=1000000 - Check progress of an ongoing dd operation (Run this command from another shell): kill -USR1 $(pgrep ^dd)
#相关链接
#推荐阅读:https://github.com/tldr-pages/tldr
嵌入式Linux
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