An array of all x86/x86_x64 instruction, very useful

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Linux command shelf is a quick reference guide for all linux user who wish to learn linux commands. Commands are divided into 15 categories , which would be more easier to understand what commands to be used in specific requirement. The pdf format of linux command shelf is also available

shopt -s autocd

strace -e write=1,2 -p $PID 2>&1 | sed -un "/^ |/p" | sed -ue "s/^.{9}(.{50}).+/\1/g" -e 's/ //g' | xxd -r -p

command !(regexp to remove from matching)

Note: This is a feature of bash, and it only works if you've enabled 'extglob' (Extended Pattern Matching):
shopt -s extglob

ifconfig | convert label:@- ip.png

ctrl-x e

Next time you are using your shell, try typing ctrl-x e (that is holding control key press x and then e). The shell will take what you've written on the command line thus far and paste it into the editor specified by $EDITOR. Then you can edit at leisure using all the powerful macros and commands of vi, emacs, nano, or whatever.

disown -a && exit

arecord -f cd | ssh -C user@host aplay -f cd

or the other way around

ssh -C user@host arecord -f cd | aplay -f cd

commandlinefu.com is the place to record those command-line gems that you return to again and again.

Fluxcapacitor allow to run program without them to sleep