Modern Unix tools are written in what programming language?

Question

Here is an example of using two Unix tools:

ls | grep "MMC"

lsand grep- two Unix tools.

I believe that both lsand grepare recorded on C. (Correct me if I'm wrong)

What programming language is used to implement modern Unix tools? Are modern Unix tools still implemented in C? Or are other languages ​​used?

Answer 1

Unix- . , C ++, Perl Python . C - , , Go Unix.

Answer 2

UNIX , Thompson C. ​​UNIX, , C, UNIX, .

C ( ). UNIX , (sh, bash, csh, tcsh ksh, zsh,...) . " UNIX" script.

, , perl python. Python , , UNIX .

++ UNIX - C. ++ ++. UNIX , ++ . GCC, 4.8 ++.

. :

• https://unix.stackexchange.com/a/23635/106703
• https://softwareengineering.stackexchange.com/q/242832
• http://www.quora.com/What-programming-language-are-operating-systems-written-in