Crucial Exams

CompTIA Linux+ XK0-006 (V8) Practice Question

A Linux administrator needs to convert all lowercase characters in a file named report.txt to uppercase and display the result on the terminal. The tr command is chosen for this task, but it only reads from standard input. Which of the following commands correctly uses input redirection to supply the contents of report.txt as standard input to the tr command?

  • tr 'a-z' 'A-Z' <<< report.txt

  • tr 'a-z' 'A-Z' > report.txt

  • tr 'a-z' 'A-Z' < report.txt

  • cat report.txt | tr 'a-z' 'A-Z'

CompTIA Linux+ XK0-006 (V8)
System Management
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