Javascript String Variable Types

While developing Javascript applications we generally need some type that can hold text and string data. We call this type of variable as string. String...

Ultimate Sed Tutorial With Examples

Sed is stream editor. Sed is used to transform text according to different needs. Sed have a scripting language set too. Sed scripts can be...

How To Replace A Text Exists In Many Files?

Linux provides a lot of tools to ease system administrators work. One of them is replace command which simple search text files to replace string and create...