For sure it is not the same as befor. #!/bin/bash was never shown like in the
picture. But that is ok, as it is no comment ether.
The only "#" used in Bash i know that is no comment is:
$# - Number of given parameters
${#var} - Lenght of var
${#var[@]} - Number of elements in array
${string#substring} - Strip shortest match of $substring from front of $string
${string##substring} - Strip longest match of $substring from front of $string
${string/#substring/replacement} - If $substring matches front end of $string,
substitute $replacement for $substring
Probably everything between "" like 'echo "This is # for test"'
See here: http://tldp.org/LDP/abs/html/refcards.html
is there more?
## is symbol? What is the meaning?
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