Which of the following directories in Linux file system contains kernel, firmware and system related files?

Which of the following directories indicates that program is using a particular device or file?

Which of the following shell commands is used to list all your current environment variables and their settings?

Which of the following is the correct shell command to debug a script?

Which of the following components of Linux user environment acts as an interface between the kernel and the user?

Which of the following directories in Linux file system contains system configuration files, network configuration files, application configuration files and other installed software?

Which of the following characters in vi editor command is used to delete one character under cursor?

Which of the following shells under Linux is an open source Unix shell that is embedded within the scheme programming language?

Which of the following Linux commands is used to perform line printer control program?

Which of the following loadable device driver commands in Linux is used to remove a module from the kernel?

Which of the following actions in Linux executes the process once when the defined run level is started?

Which of the following set commands in Bash shell provides debugging options that will display commands and their arguments as they are implemented?

Which of the following permissions in Linux file permission is granted to users who have neither UID nor the GID of the file?

Which of the following system variables in Linux specifies the number of commands to remember in the command history and has default value 500?

Which of the following systems is a free operating system to any computer that uses Linux kernel?