Perl is a family of high-level, general-purpose, interpreted, dynamic programming languages. The languages in this family include Perl 5 and Perl 6. 

Though Perl is not officially an acronym, there are various backronyms in use, including "Practical Extraction and Reporting Language". Perl was originally developed by Larry Wall in 1987 as a general-purpose Unix scripting language to make report processing easier. Since then, it has undergone many changes and revisions. Perl 6, which began as a redesign of Perl 5 in 2000, eventually evolved into a separate language. Both languages continue to be developed independently by different development teams and liberally borrow ideas from one another. 

The Perl languages borrow features from other programming languages including C, shell script (sh), AWK, and sed. They provide powerful text processing facilities without the arbitrary data-length limits of many contemporary Unix commandline tools, facilitating easy manipulation of text files. Perl 5 gained widespread popularity in the late 1990s as a CGI scripting language, in part due to its then unsurpassed regular expression and string parsing abilities. 

In addition to CGI, Perl 5 is used for system administration, network programming, finance, bioinformatics, and other applications, such as for GUIs. It has been nicknamed "the Swiss Army chainsaw of scripting languages" because of its flexibility and power, and also its ugliness. In 1998, it was also referred to as the "duct tape that holds the Internet together", in reference to both its ubiquitous use as a glue language and its perceived inelegance.
What is the duct tape that holds the Internet together?
When?
What's its nickname?
Is this a low-level language?
What type of family is it?
Of what?
Which languages are included?
What is an unofficial acronym?
Who wrote it?
When?
What was it's original purpose?
Was anything borrowed from other languages?
What?
How did the sixth version begin?
Are they the same language?
When did 5 become popular?
As what?
Why?
Does it work with GUI?
What other apps?
Perl
In 1998, it was also referred to as the "duct tape that holds the Internet together",
In 1998, it was also referred to as the "duct tape that holds the Internet together"
 In 1998, it was also referred to as the "duct tape that holds the Internet together"
"the Swiss Army chainsaw of scripting languages
It has been nicknamed "the Swiss Army chainsaw of scripting languages"
no
Perl is a family of high-level, general-purpose, interpreted, dynamic programming languages.
high-level family
Perl is a family of high-level
dynamic programming languages
Perl is a family of high-level, general-purpose, interpreted, dynamic programming languages
Perl 5 and Perl 6.
The languages in this family include Perl 5 and Perl 6. 
"Practical Extraction and Reporting Language"
Though Perl is not officially an acronym, there are various backronyms in use, including "Practical Extraction and Reporting Language"
Larry Wall
originally developed by Larry Wall 
in 1987
 Larry Wall in 1987
to make report processing easier
Perl was originally developed by Larry Wall in 1987 as a general-purpose Unix scripting language to make report processing easier
yes
Both languages continue to be developed independently by different development teams and liberally borrow ideas from one another. 
they liberally borrow ideas from one another.
 Both languages continue to be developed independently by different development teams and liberally borrow ideas from one another.
as a redesign of Perl 5
 Perl 6, which began as a redesign of Perl 5
no
Perl 6, which began as a redesign of Perl 5 in 2000, eventually evolved into a separate language.
the late 1990s
 Perl 5 gained widespread popularity in the late 1990s
as a CGI scripting language
 as a CGI scripting language
because of its then unsurpassed regular expression and string parsing abilities
 in part due to its then unsurpassed regular expression and string parsing abilities
yes
and other applications, such as for GUIs.
network programming, finance, bioinformatics
network programming, finance, bioinformatics