管理與操作
查出目前使用哪種 SHELL
ps -p $$
echo $0
echo $SHELL
執行 SHELL 的方式
sh file
. file
source file
常用鍵盤快捷鍵
Key
Operation
Ctrl + a
Go to the beginning of the line.
Ctrl + e
Go to the end of the line.
Alt + b
Go left(back) one word.
Alt + f
Go right(forward) one word.
Ctrl + u
Cut the part of the line before the cursor, adding it to the clipboard.
Ctrl + k
Cut the part of the line after the cursor, adding it to the clipboard.
