"$tool"/var/run \
"$tool"/var/run/ssh
ssh \
-F "$tool"/etc/ssh/remote.conf \
-o ControlMaster=autoask \
-o ControlPath="$tool"/var/run/ssh/"%h-%p-%r" \
"$tool"/var/run \
"$tool"/var/run/ssh
ssh \
-F "$tool"/etc/ssh/remote.conf \
-o ControlMaster=autoask \
-o ControlPath="$tool"/var/run/ssh/"%h-%p-%r" \