RHCSA - RHEL 7 (EX200) EXAM QUESTIONS AND 100% CORRECT ANSWERS

access a shell prompt and issue commands with correct syntax - correct answer press the "Alt" + "Ctrl" + "FX" keys (FX = F1-F6) OR GUI: Applications System Tools 4 types of command shells - bash (Bourne Again Shell) - ksh (Korn Shell) - tcsh - zsh use input-output redirection (, , |, 2, etc.) - correct answer - "" = writes over text in a file - "" = appends text to a file - "|" = adds commands to one line - "2" = saves error messages to a file - "" = writes over text from file 2 to file 1 use grep and regular expressions to analyze text - correct answer the "grep" command searches for text in a file - "•" = any single character - "[]" = any single character inside the brackets - "[^]" = all except characters inside the brackets - "?" = matches the preceding element zero or one time - "+" = matches the preceding element one or more times - "*" = matches the preceding element zero or more times