Ques:- You have the file phonenos that contains telephone numbers and names separated by a comma. You want to change each comma to a semicolon. Which of the following will accomplish this.Choose one:a. cat phonenos | tr ',' ';'b. tr ',' ';' phonenosc. sed s/,/;/ phonenosd. tr phonenos ',' ';'
Ques:- You want to enter a series of commands from the command-line. What would be the quickest way to do this?Choose Onea. Press enter after entering each command and its argumentsb. Put them in a script and execute the scriptc. Separate each command with a semi-colon (;) and press enter after the last commandd. Separate each command with a / and press enter after the last command
Ques:- What is the purpose of the command xargs?Choose one:a. xargs is used to pass arguments from one command to another.b. xargs is used to redirect standard output to a file.c. xargs is used to redirect standard error to a file.d. xargs is used to use the contents of a file as standard input.
Ques:- What is the difference between Action and Function.? when both has the same functionaltiy, when do we choose Action and when do we choose Function..??