A cauda e a cabeça de comando no linux

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tail -f file # Opens file at the end
head file  # Outputs file start
# Ctrl + "C" to exit
tail -n 10 file # Outputs in terminal last 10 file lines
head -n 10 file # Outputs in terminal first 10 file lines
tail -n +10 file # Outputs file content since 10th line