Get AWS CLI command documentation. Retrieves the help documentation for a specified AWS service or command by executing the 'aws <service> [command] help' command. Returns: CommandHelpResult containing the help text

Execute an AWS CLI command, optionally with Unix command pipes. Validates, executes, and processes the results of an AWS CLI command, handling errors and formatting the output for better readability. The command can include Unix pipes (|) to filter or transform the output, similar to a regular shell. The first command must be an AWS CLI command, and subsequent piped commands must be basic Unix utilities. Supported Unix commands in pipes: - File operations: ls, cat, cd, pwd, cp, mv, rm, mkdir, touch, chmod, chown - Text processing: grep, sed, awk, cut, sort, uniq, wc, head, tail, tr, find - System tools: ps, top, df, du, uname, whoami, date, which, echo - Network tools: ping, ifconfig, netstat, curl, wget, dig, nslookup, ssh, scp - Other utilities: man, less, tar, gzip, zip, xargs, jq, tee Examples: - aws s3api list-buckets --query 'Buckets[*].Name' --output text - aws s3api list-buckets --query 'Buckets[*].Name' --output text | sort - aws ec2 describe-instances | grep InstanceId | wc -l Returns: CommandResult containing output and status