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dolphin@dolphin-laptop:~/Documents/LDD$ gedit Makefile
dolphin@dolphin-laptop:~/Documents/LDD$ gedit hello.c
dolphin@dolphin-laptop:~/Documents/LDD$ make
make -C /lib/modules/2.6.31-21-generic/build M=/home/dolphin/Documents/LDD modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.31-21-generic'
  CC [M]  /home/dolphin/Documents/LDD/hello.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /home/dolphin/Documents/LDD/hello.mod.o
  LD [M]  /home/dolphin/Documents/LDD/hello.ko
make[1]: Leaving directory `/usr/src/linux-headers-2.6.31-21-generic'
dolphin@dolphin-laptop:~/Documents/LDD$ ls
hello.c   hello.ko     hello.mod.o  Makefile        modules.order
hello.c~  hello.mod.c  hello.o      Module.markers  Module.symvers
dolphin@dolphin-laptop:~/Documents/LDD$ sudo insmod ./hello.ko
[sudo] password for dolphin:
dolphin@dolphin-laptop:~/Documents/LDD$ lsmod
Module                  Size  Used by
hello                   1052  0
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