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Display current time in requested time zones.
The time zone names come from the tz database which is usually found at /usr/share/zoneinfo.

Find the 10 users that take up the most disk space
In OSX you would have to make sure that you "sudo -s" your way to happiness since it will give a few "Permission denied" errors before finally spitting out the results. In OSX the directory structure has to start with the "Users" Directory then it will recursively perform the operation. Your Lord and master, Mematron

List the Sizes of Folders and Directories
I wanted an easy way to list out the sizes of directories and all of the contents of those directories recursively.

Get disk quota usage openvz using vzlist
OpenVZ: Get disk quota usage for your VEID

Retry the previous command until it exits successfully

create SQL-statements from textfile with awk
inputfile.txt is a space-separated textfile, 1st column contains the items (id) I want to put into my SQL statement. 39 = charactercode for single tick ' $1 = first column If inputfile.txt is a CSV-file separated by "," use FS= to define your own field-separator: $ awk 'BEGIN {FS=","; }{printf "select * from table where id = %c%s%c;\n",39,$1,39; }' inputfile.txt

Show directories in the PATH, one per line
Shorter version.

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"

Listing today’s files only

remote diff with side-by-side ordering.
more information: man sdiff


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