Apache2 Problems 1.Bad User Name when you keydown #apache2 in the shell.Tips will be like this apache2:bad user name ${APACHE_RUN_USER} well,I believe this is because /etc/init.d is not in your command path. Unlike windows,Linux does not look in the
Tips for Shell There will be some case-based tips for Shell. 1. Replace the sequence space with newline Input example a b c d Output example a b c d Summary sed is the best solution. Solution sed -r -e 's/[[:space:]]/\n/g' 2. Sort the unordered word