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ISO info
Get details about an ISO image , without burning it or mounting it .

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

Trace and view network traffic
Trace and view network traffic. I made this far too complicated.. now fixed, thanks zolden.

a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.

Get absolut path to your bash-script
Another way of doing it that's a bit clearer. I'm a fan of readable code.

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" }

List PCI device with class and vendor/device IDs
This is a quick replacement for lspci if you need to know what's in a given system but pciutils is not installed. You then need something that can look up the IDs from pci.ids if you want the verbose output.

Last month
Work out last months value

list block devices
Shows all block devices in a tree with descruptions of what they are.

Sets shell timeout
Useful in root's .profile - will auto-logout after TMOUT seconds of inactivity. Close after `seconds` inactive. export TMOUT=seconds (unefunge)


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