# 强制退出i# insertesc# to command mode:w# save ,有:的命令叫ex command# moveh, j, k, l ctrl-f/b numberG gg# 第一个字符G last line of the file0(zero) 行首 ^ To the first non-whitespace character on the current line.$endof c
root@raspberry:~# ddif=/home/user/Downloads/debian.iso of=/dev/sdb1 bs=512M; sync 注意:在上面的例子中,usb设备就是sdb1(你应该使用lsblk命令验证它,否则你会重写你的磁盘或者系统),请慎重使用磁盘的名,切忌。 dd 命令在执行中会根据文件的大小和类型 以及 usb设备的读写速度,消耗几秒到几分钟不等。
Next, let’s check out if user peter exists in the /etc/passwd file using the getent command: $ getent passwd peter peter:x:1000:1000:PETER KARANJA,,,:/home/peter:/bin/bashCopy This command allows us to read various text files known as databases. It has various options for databases,...
# 基础使用 ubuntu@VM-8-8-ubuntu:/tmp$ cheat cp # To copy a file: cp ~/Desktop/foo.txt ~/Downloads/foo.txt # To copy a directory: cp -r ~/Desktop/cruise_pics/ ~/Pictures/ # To create a copy but ask to overwrite if the destination file already exists: cp -i ~/Desktop/foo....
终端模式深色背景 if has('gui_running') set background=light else set background=dark endif " 主题设置为 solarized "colorscheme solarized "文件目录分屏 Plugin 'scrooloose/nerdtree' let NERDTreeHighlightCursorline = 1 " 高亮当前行 let NERDTreeShowLineNumbers = 1 " 显示行号 " 忽略列表中的文件 ...
(default 10) --checkpoint-action=ACTION execute ACTION on each checkpoint --full-time print file time to its full resolution --index-file=FILE send verbose output to FILE -l, --check-links print a message if not all links are dumped --no-quote-chars=STRING disable quoting for characters...
Typical free command output. The output is displayed in bytes. $ free total used free shared buffers cached Mem: 3566408 1580220 1986188 0 203988 902960 -/+ buffers/cache: 473272 3093136 Swap: 4000176 0 4000176 If you want to quickly check how many GB of RAM your system has use the -g...
touch /home/user/newfile.txtThe above command creates a new empty file called “newfile.txt” in the user’s /home/user directory. If newfile.txt already exists, it will update the access and modification times on the file instead.
To find files with names that approximately match a given pattern, use thefindcommand combined with wildcards (*). This is useful when you're unsure of the exact file name or if you're looking for files that share a common naming pattern. ...
例如,要将file1重命名为file2,输入以下命令: mv file1 file2 您还可以使用mv将多个文件移动到不同的目录: mv file1 ... fileN dir 2.3.4 touch The touch command creates a file. If the file already exists, touch does not change it, but it does update the file’s modification time stamp pr...