What is the purpose of the 'echo' command in Linux?*1 pointa) Print environment variablesb) Create symbolic linksc) Display text in the terminald) Delete files

49.What is the purpose of the 'echo' command in Linux?

What is the shell in Linux?1 pointAn instruction telling the computer to do somethingA Linux command that outputs a specified string of textThe command-line interpreterThe information received by the OS via the command line7.Question 7

What is the purpose of the 'export' command in Linux?*1 pointa) Export environment variables to a fileb) Import environment variables from a filec) Set environment variables permanentlyd) Display environment variables

What is the purpose of environment variables in Linux?*1 pointa) Store user passwordsb) Store system configuration settingsc) Execute shell commandsd) Display file content

Which command is used to display the value of an environment variable in the terminal?*1 pointa) setb) envc) echod) show