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Exam (elaborations)

RHCSA - Red Hat Certified System Administrator: Questions & Verified Answers

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RHCSA - Red Hat Certified System Administrator: Questions & Verified Answers

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  • October 24, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • RHCSA
  • RHCSA
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LeCrae
RHCSA - Red Hat Certified System Administrator:
Questions & Verified Answers

Change your password Right Ans - $ passwd

Display time and date Right Ans - $ date

Display the current time in the following format: HH:MM:SS A/PM Right
Ans - $ date +%r
Use $ date --help or $ man date
to get the format options

Determine the file type Right Ans - $ file FILE

Reuse the argument from the previous command Right Ans - $ command
<Esc> .

display the size of a file Right Ans - $ wc FILE

Display the number of lines in FILE Right Ans - $ wc -l FILE

Display the number of words in FILE Right Ans - $ wc -w FILE

Display the number of characters in FILE Right Ans - $ wc -c FILE

Display the first 10 lines of FILE Right Ans - $ head FILE

Display the last 10 lines of FILE Right Ans - $ tail FILE

Display the last 20 lines of FILE Right Ans - $ tail -n 20 FILE

Use bash history to select a command Right Ans - $ history
$ !COMMAND_NUMBER (ex: $ !52)

close the bash shell Right Ans - $ exit

Lock Screen Right Ans - CTRL + ALT + L

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