Commands using join (9)

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look for a function reference in a library set

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

check open ports without netstat or lsof

burn backed up xbox 360 games
burn all those sweet iso's from the command line. replace speed=2 with more if your media supports it and you're brave!

Show all configured ipv4
Short list of all ip. Shows even the newly supported multiple ip address on the same interface (see eth1). For ipv6 use -6

Scroll up (or Down (PgDn)) in any terminal session (except KDE)

Kill any process with one command using program name
This will kill all. e.g. killall firefox

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

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"


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