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Bash Scripting Cheat Sheet

A 2-page reference for writing reliable shell scripts: 15 short entries with copy-ready code.

ForDevelopers

bash-scripting-cheat-sheet.pdfShowing 22 of 87 lines
// Script header
#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n\t'

// Arguments
echo "$1" "$2"
echo "All: $@"
echo "Count: $#"

// Default values
name="${1:-world}"
echo "Hello, $name"

// If statements
if [[ -f "$file" ]]; then
  echo "exists"
elif [[ "$n" -gt 5 ]]; then
  echo "big"
else
  echo "no"
fi

What's inside

Format
PDF, Markdown
Contents
15 sections · 2 pages
Version
1.0 · Updated 3 Oct 2026
Licence
Commercial What this means
Checked
Checked before it ships
  • bash-scripting-cheat-sheet.pdfPDF · 21 KB
  • bash-scripting-cheat-sheet.mdMarkdown · 2 KB
  • LICENSE.txtadded to every download

About this item

A compact, printable reference for writing reliable shell scripts. Each of the 15 entries has a one-line explanation and a small example you can paste into your editor. The PDF uses a two-column A4 layout designed to sit next to your keyboard, and the same content ships as Markdown so you can search it or drop it into your notes. Every Bash example targets Bash 5.

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