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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" }

nmap fast scan all ports target

password recovery on debian
Appended to grub boot parameters ... gives shell ... password recovery

Ease your directory exploration
Usage : tt [OCCURRENCE] tt will display a tree from your actual path tt .svn will display only line containing .svn

user 'tr' to convert mixed case in a file to lower case
convert mixed case in a file to lower case

draw honeycomb
Fill the entire terminal screen. Is COLUMNS or LINES are undefined run "resize"

Check your unread Gmail from the command line
notice what happens when there is more than one unread message in a thread... also people please dont hardcode the password when you use curl. Leave it out and curl will ask you when it runs. Please...?

Mute speakers after an hour
Mutes the speakers after an hour, in case you fall asleep watching a video...

Print a single route to a destination and its contents exactly as the kernel sees it
Useful to determine the source_ip of outgoing packages to a certain destination

This command provides more color variety for the rainbow-like appearance by generating random color codes from 16 to 231 for adb logcat.


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