IntroToLinux

6. wc: Word, Line, and Character Counting

# Count lines, words, characters
wc file.txt

# Count only lines
wc -l file.txt

# Count only words
wc -w file.txt

# Count only characters
wc -c file.txt

# Count only bytes
wc -m file.txt

# Multiple files
wc *.txt

# Practical examples
ps aux | wc -l                     # Count running processes
grep "error" log.txt | wc -l       # Count error lines
cat /etc/passwd | wc -l            # Count user accounts

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