S3 CLI Reference

# Upload file to S3
aws s3 cp file.txt s3://my-bucket/

# Download file from S3
aws s3 cp s3://my-bucket/file.txt ./

# Copy between buckets
aws s3 cp s3://source-bucket/file.txt s3://dest-bucket/

# Copy with metadata
aws s3 cp file.txt s3://my-bucket/ \
  --metadata key1=value1,key2=value2

# Copy with storage class
aws s3 cp file.txt s3://my-bucket/ \
  --storage-class STANDARD_IA

# Sync local folder to S3
aws s3 sync ./local-folder s3://my-bucket/prefix/

# Sync S3 to local
aws s3 sync s3://my-bucket/prefix/ ./local-folder/

# Sync with delete (remove files not in source)
aws s3 sync ./local-folder s3://my-bucket/ --delete

# Sync with exclusions
aws s3 sync ./local-folder s3://my-bucket/ \
  --exclude "*.log" \
  --exclude ".git/*"

# Sync only certain files
aws s3 sync ./local-folder s3://my-bucket/ \
  --include "*.jpg" \
  --exclude "*"

# List buckets
aws s3 ls

# List objects in bucket
aws s3 ls s3://my-bucket/

# List with prefix
aws s3 ls s3://my-bucket/prefix/

# List recursively
aws s3 ls s3://my-bucket/ --recursive

# Human-readable sizes
aws s3 ls s3://my-bucket/ --human-readable --summarize

# Move file within S3
aws s3 mv s3://my-bucket/old-key.txt s3://my-bucket/new-key.txt

# Move file from local to S3
aws s3 mv file.txt s3://my-bucket/

# Move with recursive
aws s3 mv s3://my-bucket/old-prefix/ s3://my-bucket/new-prefix/ --recursive

# Remove single object
aws s3 rm s3://my-bucket/file.txt

# Remove all objects with prefix
aws s3 rm s3://my-bucket/prefix/ --recursive

# Remove bucket (must be empty)
aws s3 rb s3://my-bucket

# Force remove bucket with all contents
aws s3 rb s3://my-bucket --force

aws s3 mb s3://my-bucket --region us-east-1

# Generate presigned URL for GET (default 1 hour)
aws s3 presign s3://my-bucket/file.txt

# Custom expiration (in seconds)
aws s3 presign s3://my-bucket/file.txt --expires-in 300

# Create bucket (us-east-1)
aws s3api create-bucket --bucket my-bucket

# Create bucket (other regions)
aws s3api create-bucket \
  --bucket my-bucket \
  --region us-west-2 \
  --create-bucket-configuration LocationConstraint=us-west-2

aws s3api delete-bucket --bucket my-bucket

aws s3api list-buckets

aws s3api get-bucket-location --bucket my-bucket

aws s3api put-object \
  --bucket my-bucket \
  --key folder/file.txt \
  --body file.txt

# With encryption
aws s3api put-object \
  --bucket my-bucket \
  --key folder/file.txt \
  --body file.txt \
  --server-side-encryption AES256

# With content type
aws s3api put-object \
  --bucket my-bucket \
  --key image.png \
  --body image.png \
  --content-type image/png

aws s3api get-object \
  --bucket my-bucket \
  --key folder/file.txt \
  output.txt

# Get specific version
aws s3api get-object \
  --bucket my-bucket \
  --key folder/file.txt \
  --version-id abc123 \
  output.txt

aws s3api delete-object \
  --bucket my-bucket \
  --key folder/file.txt

# Delete specific version
aws s3api delete-object \
  --bucket my-bucket \
  --key folder/file.txt \
  --version-id abc123

aws s3api head-object \
  --bucket my-bucket \
  --key folder/file.txt

# List objects (v2)
aws s3api list-objects-v2 --bucket my-bucket

# With prefix
aws s3api list-objects-v2 \
  --bucket my-bucket \
  --prefix logs/

# Limit results
aws s3api list-objects-v2 \
  --bucket my-bucket \
  --max-keys 100

# Enable versioning
aws s3api put-bucket-versioning \
  --bucket my-bucket \
  --versioning-configuration Status=Enabled

# Suspend versioning
aws s3api put-bucket-versioning \
  --bucket my-bucket \
  --versioning-configuration Status=Suspended

# Get versioning status
aws s3api get-bucket-versioning --bucket my-bucket

# List object versions
aws s3api list-object-versions --bucket my-bucket

# Put bucket policy
aws s3api put-bucket-policy \
  --bucket my-bucket \
  --policy file://policy.json

# Get bucket policy
aws s3api get-bucket-policy --bucket my-bucket

# Delete bucket policy
aws s3api delete-bucket-policy --bucket my-bucket

# Block all public access
aws s3api put-public-access-block \
  --bucket my-bucket \
  --public-access-block-configuration \
    BlockPublicAcls=true,\
    IgnorePublicAcls=true,\
    BlockPublicPolicy=true,\
    RestrictPublicBuckets=true

# Get public access block
aws s3api get-public-access-block --bucket my-bucket

# Set default encryption
aws s3api put-bucket-encryption \
  --bucket my-bucket \
  --server-side-encryption-configuration '{
    "Rules": [{
      "ApplyServerSideEncryptionByDefault": {
        "SSEAlgorithm": "AES256"
      }
    }]
  }'

# Get encryption configuration
aws s3api get-bucket-encryption --bucket my-bucket

# Delete encryption configuration
aws s3api delete-bucket-encryption --bucket my-bucket

# Put lifecycle configuration
aws s3api put-bucket-lifecycle-configuration \
  --bucket my-bucket \
  --lifecycle-configuration file://lifecycle.json

# Get lifecycle configuration
aws s3api get-bucket-lifecycle-configuration --bucket my-bucket

# Delete lifecycle configuration
aws s3api delete-bucket-lifecycle --bucket my-bucket

# Put CORS configuration
aws s3api put-bucket-cors \
  --bucket my-bucket \
  --cors-configuration file://cors.json

# Get CORS configuration
aws s3api get-bucket-cors --bucket my-bucket

# Enable static website hosting
aws s3api put-bucket-website \
  --bucket my-bucket \
  --website-configuration '{
    "IndexDocument": {"Suffix": "index.html"},
    "ErrorDocument": {"Key": "error.html"}
  }'

# Get website configuration
aws s3api get-bucket-website --bucket my-bucket

# Put bucket tags
aws s3api put-bucket-tagging \
  --bucket my-bucket \
  --tagging 'TagSet=[{Key=Environment,Value=Production}]'

# Get bucket tags
aws s3api get-bucket-tagging --bucket my-bucket

# Put object tags
aws s3api put-object-tagging \
  --bucket my-bucket \
  --key file.txt \
  --tagging 'TagSet=[{Key=Status,Value=Archived}]'

# Get bucket ACL
aws s3api get-bucket-acl --bucket my-bucket

# Get object ACL
aws s3api get-object-acl \
  --bucket my-bucket \
  --key file.txt

# Put object ACL
aws s3api put-object-acl \
  --bucket my-bucket \
  --key file.txt \
  --acl private

# Initiate multipart upload
aws s3api create-multipart-upload \
  --bucket my-bucket \
  --key large-file.zip

# Upload part
aws s3api upload-part \
  --bucket my-bucket \
  --key large-file.zip \
  --part-number 1 \
  --body part1 \
  --upload-id <upload-id>

# Complete multipart upload
aws s3api complete-multipart-upload \
  --bucket my-bucket \
  --key large-file.zip \
  --upload-id <upload-id> \
  --multipart-upload file://parts.json

# List multipart uploads
aws s3api list-multipart-uploads --bucket my-bucket

# Abort multipart upload
aws s3api abort-multipart-upload \
  --bucket my-bucket \
  --key large-file.zip \
  --upload-id <upload-id>