Commands using cd (215)

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list files recursively by size

Write comments to your history.
A null operation with the name 'comment', allowing comments to be written to HISTFILE. Prepending '#' to a command will *not* write the command to the history file, although it will be available for the current session, thus '#' is not useful for keeping track of comments past the current session.

Mount the first NTFS partition inside a VDI file (VirtualBox Disk Image)
Found at: http://forums.virtualbox.org/viewtopic.php?t=52

convert Decimal to IP from stdin
https://stackoverflow.com/questions/10768160/ip-address-converter

List only the directories

To get how many users logged in and logged out and how many times ?

A rainbow-colored Tux gives a fortune cookie for the day. Great

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" }

First file editor for newbies
This command should be the first file-editing command for a newbie. It clears file.txt (cat), and asks for input until EOF is entered on its own line (not written to file.txt).

create a nicely formatted example of a shell command and its output
Shell function which takes a bash command as its input, and displays the following formatted output: EXAMPLE: command OUTPUT: output from command


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