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 ...
A company I used to work at had half its backend stack (specifically everything controlling application launching, watchdogs, alerts, status updates and network management) constructed using Bash ...
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".