Linux Terminal Command: wc

The wc command is an essential tool in File Manipulation & Viewing. In this tutorial, we will explore what wc does, look at everyday examples, and cover advanced options to supercharge your command-line workflow.

Concept & Explanation

The wc command prints counts of newlines, words, and bytes for specified files.

Common Options & Syntax

wc [options] [arguments]

Here are the most common flags used with wc:

Simple Usage: Basic default commands.
Detailed View: Shows diagnostic information.
Advanced Actions: Can chain parameters for scripting.

1. Interactive Example (Simple)

Here is how most people run the command:

# Example
wc -l log.txt

What it does: Prints the number of lines in ’log.txt'.

2. Power-User Example (Advanced)

For scripting and advanced diagnostics, use this configuration:

# Advanced
wc -w -m -c document.txt

What it does: Displays the word count (-w), character count (-m), and byte count (-c) of ‘document.txt’.

⚙️ Warning & Common Pitfalls

[!WARNING] Character count and byte count can differ on files containing multi-byte Unicode characters. Use -c for raw storage sizes, and -m for text lengths.

Here are some related posts on cli_tty1 you might want to check out:

rm : Remove files or directories.
cp : Copy files and directories.
mv : Move or rename files and directories.