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dont log current session to history

Monitor TCP opened connections

Change host name
With sed you can replace strings on the fly.

Print line immediately before a matching regex.
Use this if you don't have access to GNU grep's -B option.

Find C/C++ source files
Find C/C++ source files and headers in the current directory.

create an emergency swapfile when the existing swap space is getting tight
Create a temporary file that acts as swap space. In this example it's a 1GB file at the root of the file system. This additional capacity is added to the existing swap space.

find established tcp connections without using netstat!!
Fast and easy way to find all established tcp connections without using the netstat command.

Get the full path to a file
Part of coreutils - so needs no extra package...

What is my public IP address
Clean output, if used in scripts: $ GET checkip.dyndns.org|grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' or $ GET icanhazip.com

Unzip multi-part zip archive
Assuming you have a multi-part archive like "archive.zip archive.z01 archive.z02 ...", unzip will not handle these correctly. If you "fix" the parts into one big file with zip -F before, it works.


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