Commands by Mohammad (1)

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Send test prints to networked printer.
This will send a test print job to a networked printer.

Jump to a directory, execute a command and jump back to current dir

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

Transform a portrait pdf in a landscape one with 2 pages per page
This is an example of the usage of pdfnup (you can find it in the 'pdfjam' package). With this command you can save ink/toner and paper (and thus trees!) when you print a pdf. This tools are very configurable, and you can make also 2x2, 3x2, 2x3 layouts, and more (the limit is your fantasy and the resolution of the printer :-) You must have installed pdfjam, pdflatex, and the LaTeX pdfpages package in your box.

Terminal Keyboard Shortcut list
This command will give you a list of available keyboard shortcuts according to stty.

create a backup for all directories from current dir
Create backup (.tar.gz) for all first-level directory from current dir.

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"

Find the package that installed a command

output length of longest line
If your wc does not have the -L option, you can use awk.

A function to find the newest file in a directory


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