在命令行的快捷键中
Ctrl+a 移动到当前行的开头
Ctrl+e 移动到当前行的结尾
e是end的缩写,a是什么的缩写呢?(含有在...之前的英文,是before?)

ctrl+a or Home
Moves the cursor to the start of a line.

ctrl+e or End
Moves the cursor to the end of a line.

ctrl+b
Moves to the beginning of the previous or current word.

ctrl+k
Deletes from the current cursor position to the end of the line.

ctrl+u
Deletes the whole of the current line.

ctrl+w
Deletes the word before the cursor.

資料來源
UsingTheTerminal / Change the text