1  echo $PATH
    2  ifconfig 
    3  modprobe -r usbcore; modprobe usbcore  blinkenlights=true
    4  lsmod usbcore
    5  lsmod |grep  usbcore
    6  modprobe -r usbcore ohci_hcd,ehci_hcd,uhci_hcd ; modprobe usbcore  blinkenlights=true
    7  modprobe -r usbcore ohci_hcd,ehci_hcd,uhci_hcd ; modprobe usbcore  blinkenlights=true
    8  modprobe -r usbcore ohci_hcd ehci_hcd uhci_hcd ; modprobe usbcore  blinkenlights=true
    9  modprobe -r usbcore ohci_hcd ehci_hcd uhci_hcd ; modprobe usbcore  blinkenlights=true
   10  modprobe -r ohci_hcd ehci_hcd uhci_hcd; modprobe -r usbcore ; modprobe usbcore  blinkenlights=true
   11  modinfo drm
   12  lspci -k
   13  man dmesg
   14  dmesg
   15  dmesg -w
   16  dmesg -wt
   17  man dmesg
   18  dmesg -wT
   19  cat /proc/cmdline 
   20  apt install apache2
   21  rm /etc/rc2.d/S01apache2 
   22  pidof apache2
   23  /etc/init.d/apache2  stop
   24  pidof apache2
   25  /etc/init.d/apache2  start
   26  /etc/init.d/apache2  status
   27  /etc/init.d/apache2  start
   28  /etc/init.d/apache2  start
   29  apt install systemvinit
   30  apt search init
   31  apt show init
   32  apt install sysvinit-core
   33  apt install sysvinit-core sysv-rc
   34  pstree
   35  systemctl list-units
   36  systemctl list-units --type-target
   37  systemctl list-units --type=target
   38  systemctl list-units --type=target
   39  systemctl list-units --type=target --all
   40  systemctl list-units --type=target
   41  apropos systemd
   42  man systemd.target
   43  systemctl status apache2
   44  systemctl status apache2.service
   45  systemctl disable apache2
   46  systemctl status apache2
   47  systemctl mask apache2
   48  systemctl unmask apache2
   49  systemctl is-active apache2
   50  systemctl status apache2
   51  systemctl list-units --type=target
   52  systemctl isolate shutdown
   53  ip
   54  ip address list
   55  ip addr li
   56  ip a 
   57  systemctl get-default
   58  journalctl 
   59  journalctl -b
   60  journalctl -b
   61  history 
   62  history  >/home/live/root.history