This is a very typical case, the need to create a temp file on the command line quickly. Opening editor, writing content, save file and quit editor is not the fastest possible way. A faster way is to use the cat command with the name of the file and write contents of the file and give the end-of-file character (Ctrl-D).

Create Temporary File Without Editor on Command Line

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This tip is really useful if you need/want to monitor multiple servers at the same time. This Tip works, as the tip, by which you can add the date and time the title of the Linux terminal, but it adds more usefull info to terminal title. Following bash one liner add hostname, date, time, uptime, users and load Average to Linux Terminal Title and updates it every second.

This trick works at least following terminals: Gnome Terminal, xterm, urxvt, rxvt.

Add hostname, date, time, uptime, users and load Average to Linux Terminal Title

Simply type the following command line:

while sleep 1;do echo -ne '\033]2;'`/bin/hostname`' - '`date +\%a\ %b\ %d`', '`/usr/bin/uptime`'\007';done&

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Here is easy way add date and time to Linux terminal title. This trick works at least following terminals Gnome Terminal, xterm, urxvt, rxvt.

Simply type the following command line:

while sleep 1 ; do echo -ne '\033]2;'`date`'\007'; done &