If A means '×', B means '÷', C means '–' and D means

In shell scripting, which symbol is used to redirect the standard output to a file, overwriting its contents?

Named pipes (FIFOs) are created using:

Which command is used to display the contents of a file in Linux?

Which symbol is used to make a script executable in Linux?

Which symbol is used to comment a single line in shell scripts?

Which of the following is a system call used to create a new process in Unix-like operating systems?

Star schema consists of:

Which command is used to search for a string inside a file?

What does the command `chmod 755 myscript.sh` set as permissions for `myscript.sh`?

Which command is used to display the current working directory in a Unix-like operating system?