$(mktemp) absolute path

vadim@debian:~$ cat test.sh 
#!/bin/bash

TMP1=$(mktemp -q /tmp/$0.XXXXXX) || exit 1
echo "test"
vadim@debian:~$ ./test.sh 
test
vadim@debian:~$ cd ../
vadim@debian:/home$ ./vadim/test.sh 
vadim@debian:/home$ 

В чем разница????