Commands using cp (115)

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

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

get detailed info about a lan card on HP-UX 11.31

Burn an ISO on commandline with wodim instead cdrecord

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 the package that installed a command

Show the UUID of a filesystem or partition
Shows the UUID of the given partition (here /dev/sda7). Doesn't need to be root.

Rename files in batch

Search for a string inside all files in the current directory
This is how I typically grep. -R recurse into subdirectories, -n show line numbers of matches, -i ignore case, -s suppress "doesn't exist" and "can't read" messages, -I ignore binary files (technically, process them as having no matches, important for showing inverted results with -v) I have grep aliased to "grep --color=auto" as well, but that's a matter of formatting not function.

Jump to line X in file in Nano.
Starts the cursor on line X of file foo. Useful for longer files in which it takes a long time to scroll. If X is greater than the number of lines in file foo, it will go to the last existing line.


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