stevenlaptop:/home/steven# dir
Desktop  doom2.wad  ipw3945-1.2.0
stevenlaptop:/home/steven# cd Desktop/Download
bash: cd: Desktop/Download: No such file or directory
stevenlaptop:/home/steven# cd Desktop/Downloads
stevenlaptop:/home/steven/Desktop/Downloads# dir
firmware-nonfree_0.3(1).tar.gz  ipw3945d-1.7.22(1).tgz
firmware-nonfree_0.3.tar.gz     ipw3945d-1.7.22.tgz
ieee80211-1.2.16                ipw3945-ucode-1.14.2(1).tgz
ieee80211-1.2.16.tgz            ipw3945-ucode-1.14.2.tgz
ipw3945-1.2.0.tgz
stevenlaptop:/home/steven/Desktop/Downloads# cd ieee80211-1.2.16
stevenlaptop:/home/steven/Desktop/Downloads/ieee80211-1.2.16# make
Checking in /lib/modules/2.6.18-3-amd64 for ieee80211 components...
find: /lib/modules/2.6.18-3-amd64/build/: No such file or directory
grep: /lib/modules/2.6.18-3-amd64/build//.config: No such file or directory
grep: /lib/modules/2.6.18-3-amd64/build//include/linux/autoconf.h: No such file or directory
find: /lib/modules/2.6.18-3-amd64/build/: No such file or directory
make -C /lib/modules/2.6.18-3-amd64/build M=/home/steven/Desktop/Downloads/ieee80211-1.2.16 modules
make: *** /lib/modules/2.6.18-3-amd64/build: No such file or directory.  Stop.
make: *** [modules] Error 2
stevenlaptop:/home/steven/Desktop/Downloads/ieee80211-1.2.16#
stevenlaptop:/home/steven/Desktop/Downloads/ieee80211-1.2.16#