backslash vs take down

backslash

verb
  • To escape (a metacharacter) by prepending a backslash that serves as an escape character, thereby forming an escape sequence. 

noun
  • The punctuation mark \. 

  • Used erroneously in reference to, or in reading out, the ordinary slash, that is, the punctuation mark /. 

  • |passage= […] I was trying to find a web-site for which I had been given the following address: http://www.isop.ucla.edu/pacrim/pubs/korjournal.htm. […] I began to work backwards, removing first the last part of the address following the last backslash (/korjournal.htm).}} 

take down

verb
  • To remove something from a hanging position. 

  • To write down as a note, especially to record something spoken. 

  • To remove a temporary structure such as scaffolding. 

  • To remove something from a website. 

  • To arrest someone or to place them in detention. 

  • I took down the medicine and soon felt better. 

  • To collapse or become incapacitated from illness or fatigue. 

  • To lower an item of clothing without removing it. 

  • If you have a pen, you can take down my phone number. 

  • To swallow. 

  • To reduce. 

  • To defeat; to destroy or kill (a person). 

  • To force one’s opponent off their feet in order to transition from striking to grappling in jujitsu, mixed martial arts, etc. 

  • To remove something from a wall or similar vertical surface to which it is fixed. 

How often have the words backslash and take down occurred in a corpus of books? (source: Google Ngram Viewer )