bookmark : progress , check cp. progress

• progress：Linux 查看 cp, mv, dd 等的程式執行狀態

作者說明怎嘛做:

It simply scans /proc for interesting commands, 
and then looks at directories fd and fdinfo to find opened files and seek positions, and reports status for the largest file.

It's very light, and compatible with virtually any command.

apt install 就有了...