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1. Fetch system info in one line

   1

   # replace the pacman command with your distros package manager

   2

   # without colors

   3

   echo -e "$USER@`hostname`\nos    `lsb_release -ds|tr -d '"'`\nkern  `uname -sr`\npkgs  `pacman -Qq|wc -l`\nsh    $SHELL\nup    `uptime -p|sed 's/^.\{3\}//'`\nfree  `/bin/free -tm|awk 'NR==2{print $2"MB / "$3"MB"}'`"

   4

   5

   # with colors