Last change: 2025-01-10
The head command is a small utility on Linux systems to show the first 10 or defined number of lines of a file or filter standard input.
Data Processing articles
Last change: 2025-01-10
The rev command on Linux can be used to reverse data such as a text string or lines in a file. It can use standard input and files.
Last change: 2025-01-06
Linux has multiple tools to process text files, including to search through files and filter out all unique words. Here is how to combine a few commands.
Commands:
- grep
- sort
- uniq
Last change: 2025-01-06
Linux has a wide range of tools to do data processing and text manipulation. Learn how to remove trailing whitespace from a file using the sed command.
Commands:
- sed
Last change: 2025-01-06
Learn how to insert a line of text at the beginning of a file using the sed command. Great to automate repeating tasks and do data processing.
Commands:
- sed
Last change: 2025-01-06
Frequently asked questions about data and text processing are covered in this section with focus on Linux tools and systems.