CPAN (the Comprehensive Perl Archive Network)

man perl
perldoc perl

locate perl | more
which perl
where perl

perl -v		# to see version info
perl -e		# to execute at a command line
perl -n		# to implicitly loop through the file one line at a time
perl -c		# to check the Perl syntax

perl -ne 'print;' first.perl
perl -ne 'print;' < first.perl
date | perl -ne 'print "Today is $_";'

#!/lusr/bin/perl  #  #! = shbang

perl scriptname

first.perl
#!/lusr/bin/perl
# My first perl script
print "Hello to you and yours!\n";
print "Hello world!\n";
print "Welcome to Perl Programming.\n";


cat first.perl
perl -c first.perl
chmod a+x first.perl	or	chmod 755 first.perl
first.perl	or	./first.perl