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Make ISO image of a folder
Create ISO image of a folder in Linux. You can assign label to ISO image and mount correctly with -allow-lowercase option.

Get Shellcode from ARM Binaries
Getting shellcode from ARM binaries - @OsandaMalith

BASH: Print shell variable into AWK
Alternatively: export MyVAR=84; awk '{ print ENVIRON["MyVAR"] }'

MSDOS command to check existance of command and exit batch if failed
This is a command to be used inside of MS-DOS batch files to check existence of commands as preconditions before actual batch processing can be started. If the command is found, batch script continues execution. If not, a message is printed on screen, script then waits for user pressing a key and exits. An error message of the command itself is suppressed for clarity purpose.

Rename file to same name plus datestamp of last modification.
Note that the -i will not help in a script. Proper error checking is required.

Fork bomb (don't actually execute)
Retrieved from: https://en.wikipedia.org/wiki/Fork_bomb More info: http://stackoverflow.com/questions/991142/how-does-this-bash-fork-bomb-work

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Tell what is encoded in a float, given its HEX bytes
It handles all possible combination of the hex bytes, including NaNs, Infinities, Normalized and Subnormal Numbers... $ This crazy DC stuff spent me a few days to write, optimize, polish and squeeze so that it works within the tight 255 character bound... $ You can modify it easily for other IEEE754 numbers, say, half, double, double-extended, quadruple $ (I hope someone will find this useful and submit more dc code to commandlinefu!)

read manpage of a unix command as pdf in preview (Os X)

Git Tree Command with color and tag/branch name


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