How to read a file line by line ShowHow to read a file line by line
Intro
Example
Tips
Bonus
Intro
One of the most common errors of learning scripts bash on GNU / Linux is to read a file line by line, is to use a loop "for" (for line in $ (cat file.txt) do. ..), which...
[Sed] Delete one or more lines from a file Show[Sed] Delete one or more lines from a file
Removing one (or several) line (s) of a file
Syntax:
sed '{[/]||[/]}d'
sed '{[/][,][/]d'
/.../=delimiters
n = line number...
Enable/disable a device from the command line ShowEnable/disable a device from the command line
Install Devcon
Display all the devices in the system
Enable/disable the device
Other devices
Here is a trick that allows you to enable / disable a device from the command line in XP....
Sound card ShowIntroduction to sound cards
The sound card (also called an audio card) is the part of a computer which manages its audio input and ouput.
It is usually a controller which can be inserted into an ISA slot (or PCI for more recent ones), but...
Introduction to power line communications (PLC) ShowIntroduction to PLC
"Power Line Communications" basically means any technology that enables data
transfer at narrow or broad band speeds through power lines by using advanced modulation technology.
Depending on the country, the institution and the...
Leased lines (T1, T2, T3) ShowLeased lines
"Leased" lines enable transmission of data at medium and high speeds (64 Kbps to 140 Mbps) by point to point or multipoint connection (Transfix service).
In Europe, there are five types of lines distinguished according to their...