To install screen : #yum install screen
After installation if you see "/var/run/screen must have permissions 777" then change the permission to 777 : #chmod 777 /var/run/screen
#screen -ls -- this will list screenname and state (attached or detached)
After typing screen -ls it will show whether screen is "detached" or "attached" state
To reattach "detached" screen -- #screen -r <screenname>
Leaving screen -- press down ctrl + A together and type D (ctrl A + D)
When u type screen -ls if the screen is attached, then do the below
#screen -D <screenname> then
#screen -r <screenname>
To enter a name for the screen : #Screen -S test
After installation if you see "/var/run/screen must have permissions 777" then change the permission to 777 : #chmod 777 /var/run/screen
#screen -ls -- this will list screenname and state (attached or detached)
After typing screen -ls it will show whether screen is "detached" or "attached" state
To reattach "detached" screen -- #screen -r <screenname>
Leaving screen -- press down ctrl + A together and type D (ctrl A + D)
When u type screen -ls if the screen is attached, then do the below
#screen -D <screenname> then
#screen -r <screenname>
To enter a name for the screen : #Screen -S test
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