The VAR=S (dace) command is an example of which kind of substitution?
A. A command substitution
B. A variable substitution
C. A tilde substitution
D. An alias substitution
The VAR=S (dace) command is an example of which kind of substitution?
A. A command substitution
B. A variable substitution
C. A tilde substitution
D. An alias substitution