'Developed in the early 1970s, it's the main programming language of the Unix operating system'
C
LETTER PERFECT: Developed in the early 1970s, its the main programming language of the Unix operating system
Developed in the early 1970s, it's the main programming language of the Unix operating system
Developed in the early 1970s, it's the main programming language of the Unix operating system
LETTER PERFECT
C
LETTER PERFECT