Sorting in Gmail

Unlike Yahoo Mail or most other email providers, Google's Gmail does not specifically provide any option or feature to sort the emails.
I came across many options though for sorting emails in gmail, while looking for same on the Internet.
Here are some quick tips for sorting emails in gmail -

Sort Gmail by Sender

Use from:sender’s name in Gmail search box

Sort Gmail by Size

Use has:attachment in Gmail search box

Use has:attachment from:me label:sent to quickly sort emails having attachments sent by you. Can be used to clean and reduce the mailbox size.

Sort/Search by Unread Mails

Use is:unread in Gmail search box

Sort by file type
Use filename:pdf (mp3 etc) in Gmail search box