### Test $PARALLEL - single line
4
1
1
centos8.localdomain
freebsd12.localdomain
hostname; echo 1
hostname; echo 1
### Test $PARALLEL - multi line
1
1
centos8.localdomain
freebsd12.localdomain
hostname; echo 1
hostname; echo 1
### Test ~/.parallel/config - single line
1
1
centos8.localdomain
freebsd12.localdomain
hostname; echo 1
hostname; echo 1
### Test ~/.parallel/config - multi line
1
1
centos8.localdomain
freebsd12.localdomain
hostname; echo 1
hostname; echo 1