Linux Bash Arithmetic Expressions Question: Which command concatenate the specified argument into a single command, then execute the command? a) fc b) eval c) exec d) getopts Linux Bash Arithmetic Expressions Interview QuestionAnswer: b) eval Previous QuestionNext QuestionWhich command can create environment variable? a) export b) set c) read d) none of the mentionedThe command 'hash': a) manages a internal hash table b) find and remember the full path name of the specified command c) displays used command names and the number of hits d) all of the mentioned
