Renaming folder linux-tips to tips
 Changes to be committed:
	renamed:    linux_tips/automating-backups-with-tar-and-cron.md -> tips/automating-backups-with-tar-and-cron.md
	renamed:    linux_tips/backup.cron -> tips/backup.cron
	renamed:    linux_tips/splitting-and-reassembling-large-files-in-linux.md -> tips/splitting-and-reassembling-large-files-in-linux.md
Moving documents
 Changes to be committed:
	renamed:    tips/automating-backups-with-tar-and-cron.md -> scripts/automating-backups-with-tar-and-cron.md
	renamed:    tips/backup.cron -> scripts/backup.cron
Updated automating-backups-with-tar-and-cron (markdown)
Created replacing values in files using perl and sed (markdown)
Updated replacing-values-in-files-using-perl-and-sed (markdown)
Updated replacing-values-in-files-using-perl-and-sed (markdown)
Added the article on how to replace values in files using sed in a perl
script
 Changes to be committed:
	new file:   replace_value.pl
	new file:   replacing-values-in-files-using-perl-and-sed.md
Added article on how to process user input with perl
 Changes to be committed:
	new file:   programming/perl/processing-user-input-with-perl.md
	new file:   programming/perl/user_input.pl