Linux May 2020 Questions

Please ask your linux questions here.

Hello sir good morning…I am student of ur linux may batch…Sir i have one request from u… The video lecture of linux for 22nd may(Friday) still hasn’t uploaded on the portal which created lot of inconvenience as i didn’t get time to revise lecture on this weekend…I have raised ticket also but still no resolution for that…So its my request from u sir that please upload it asap… thanks

Vikramaditya lohan
er.lohan@gmail.com

linux

Not able to open pdf reader…showing error failed to parse argument…why??