Assertion: quotation mark's use | /r/CapableOf | denote command substitution
Facets:
value: as in `command`
type: MANNER
Source sentences:
text: The use of 0x60 (grave accent) as a special control character in the Unix shell (to denote command substitution as in `command` or better $(command) ), in Perl, in Lisp, or in TeX/troff (to denote a proper left single quotation mark) does not have to be changed and remains unaffected.