The “l” at the beginning identifies /usr/bin/awk as a symbolic link. NOTE: Without the commas, the result would be “onetwothree”. Note that gawk allows you to ...

The Linux expand and unexpand commands can turn tabs into spaces and spaces into tabs, and the sed and awk commands can help. The Linux expand and unexpand commands sound like they can make files ...

A key point to these tools (from a practical point ) is that they are very memory efficient and allow work on just a "line".

It is. I've converted a few machines here in just the last few months, even one where the HD was so shot full of holes only the recovery partition made it onto the replacement SSD and I wound up ...