root@localhost:~# go env | grep GOROOT
GOROOT="/usr/local/go"
root@localhost:~# # ls -d /usr/local/go/*/
/usr/local/go/api/ /usr/local/go/doc/ /usr/local/go/misc/ /usr/local/go/src/
/usr/local/go/bin/ /usr/local/go/lib/ /usr/local/go/pkg/ /usr/local/go/test/
root@localhost:~# ls -d /usr/local/go/pkg/*/
/usr/local/go/pkg/include/ /usr/local/go/pkg/linux_amd64/ /usr/local/go/pkg/linux_amd64_race/ /usr/local/go/pkg/tool/
root@localhost:~# ls -d /usr/local/go/pkg/linux_amd64/*/
/usr/local/go/pkg/linux_amd64/archive/ /usr/local/go/pkg/linux_amd64/image/ /usr/local/go/pkg/linux_amd64/regexp/
/usr/local/go/pkg/linux_amd64/compress/ /usr/local/go/pkg/linux_amd64/index/ /usr/local/go/pkg/linux_amd64/runtime/
/usr/local/go/pkg/linux_amd64/container/ /usr/local/go/pkg/linux_amd64/internal/ /usr/local/go/pkg/linux_amd64/sync/
/usr/local/go/pkg/linux_amd64/crypto/ /usr/local/go/pkg/linux_amd64/io/ /usr/local/go/pkg/linux_amd64/testing/
/usr/local/go/pkg/linux_amd64/database/ /usr/local/go/pkg/linux_amd64/log/ /usr/local/go/pkg/linux_amd64/text/
/usr/local/go/pkg/linux_amd64/debug/ /usr/local/go/pkg/linux_amd64/math/ /usr/local/go/pkg/linux_amd64/time/
/usr/local/go/pkg/linux_amd64/encoding/ /usr/local/go/pkg/linux_amd64/mime/ /usr/local/go/pkg/linux_amd64/unicode/
/usr/local/go/pkg/linux_amd64/go/ /usr/local/go/pkg/linux_amd64/net/ /usr/local/go/pkg/linux_amd64/vendor/
/usr/local/go/pkg/linux_amd64/hash/ /usr/local/go/pkg/linux_amd64/os/
/usr/local/go/pkg/linux_amd64/html/ /usr/local/go/pkg/linux_amd64/path/
root@localhost:/usr/local/go/pkg/linux_amd64# ls *.a
bufio.a crypto.a errors.a fmt.a image.a math.a os.a reflect.a sort.a sync.a time.a
bytes.a embed.a expvar.a hash.a io.a mime.a path.a regexp.a strconv.a syscall.a unicode.a
context.a encoding.a flag.a html.a log.a net.a plugin.a runtime.a strings.a testing.a
root@localhost:/usr/local/go/pkg/linux_amd64# ls */*.a
archive/tar.a crypto/sha1.a encoding/pem.a image/jpeg.a internal/testlog.a path/filepath.a
archive/zip.a crypto/sha256.a encoding/xml.a image/png.a internal/trace.a regexp/syntax.a
compress/bzip2.a crypto/sha512.a go/ast.a index/suffixarray.a internal/unsafeheader.a runtime/cgo.a
compress/flate.a crypto/subtle.a go/build.a internal/bytealg.a internal/xcoff.a runtime/debug.a
compress/gzip.a crypto/tls.a go/constant.a internal/cfg.a io/fs.a runtime/metrics.a
compress/lzw.a crypto/x509.a go/doc.a internal/cpu.a io/ioutil.a runtime/pprof.a
compress/zlib.a database/sql.a go/format.a internal/execabs.a log/syslog.a runtime/race.a
container/heap.a debug/dwarf.a go/importer.a internal/fmtsort.a math/big.a runtime/trace.a
container/list.a debug/elf.a go/parser.a internal/goroot.a math/bits.a sync/atomic.a
container/ring.a debug/gosym.a go/printer.a internal/goversion.a math/cmplx.a testing/fstest.a
crypto/aes.a debug/macho.a go/scanner.a internal/lazyregexp.a math/rand.a testing/iotest.a
crypto/cipher.a debug/pe.a go/token.a internal/lazytemplate.a mime/multipart.a testing/quick.a
crypto/des.a debug/plan9obj.a go/types.a internal/nettrace.a mime/quotedprintable.a text/scanner.a
crypto/dsa.a encoding/ascii85.a hash/adler32.a internal/obscuretestdata.a net/http.a text/tabwriter.a
crypto/ecdsa.a encoding/asn1.a hash/crc32.a internal/oserror.a net/mail.a text/template.a
crypto/ed25519.a encoding/base32.a hash/crc64.a internal/poll.a net/rpc.a time/tzdata.a
crypto/elliptic.a encoding/base64.a hash/fnv.a internal/profile.a net/smtp.a unicode/utf16.a
crypto/hmac.a encoding/binary.a hash/maphash.a internal/race.a net/textproto.a unicode/utf8.a
crypto/md5.a encoding/csv.a html/template.a internal/reflectlite.a net/url.a
crypto/rand.a encoding/gob.a image/color.a internal/singleflight.a os/exec.a
crypto/rc4.a encoding/hex.a image/draw.a internal/sysinfo.a os/signal.a
crypto/rsa.a encoding/json.a image/gif.a internal/testenv.a os/user.a
root@localhost:/usr/local/go/pkg/linux_amd64# ls */*/*.a
crypto/internal/randutil.a go/internal/srcimporter.a net/http/fcgi.a net/rpc/jsonrpc.a
crypto/internal/subtle.a image/color/palette.a net/http/httptest.a runtime/internal/atomic.a
crypto/x509/pkix.a image/internal/imageutil.a net/http/httptrace.a runtime/internal/math.a
database/sql/driver.a internal/syscall/execenv.a net/http/httputil.a runtime/internal/sys.a
go/build/constraint.a internal/syscall/unix.a net/http/internal.a testing/internal/testdeps.a
go/internal/gccgoimporter.a net/http/cgi.a net/http/pprof.a text/template/parse.a
go/internal/gcimporter.a net/http/cookiejar.a net/internal/socktest.a
root@localhost:/usr/local/go/pkg/linux_amd64# ls */*/*/*.a
crypto/ed25519/internal/edwards25519.a os/signal/internal/pty.a
root@localhost:/usr/local/go/pkg/linux_amd64# ls */*/*/*/*.a
vendor/golang.org/x/crypto/chacha20.a vendor/golang.org/x/crypto/hkdf.a vendor/golang.org/x/sys/cpu.a
vendor/golang.org/x/crypto/chacha20poly1305.a vendor/golang.org/x/crypto/poly1305.a vendor/golang.org/x/text/transform.a
vendor/golang.org/x/crypto/cryptobyte.a vendor/golang.org/x/net/idna.a
vendor/golang.org/x/crypto/curve25519.a vendor/golang.org/x/net/nettest.a
root@localhost:/usr/local/go/pkg/linux_amd64# ls */*/*/*/*/*.a
vendor/golang.org/x/crypto/cryptobyte/asn1.a vendor/golang.org/x/net/http2/hpack.a
vendor/golang.org/x/crypto/internal/subtle.a vendor/golang.org/x/text/secure/bidirule.a
vendor/golang.org/x/net/dns/dnsmessage.a vendor/golang.org/x/text/unicode/bidi.a
vendor/golang.org/x/net/http/httpguts.a vendor/golang.org/x/text/unicode/norm.a
vendor/golang.org/x/net/http/httpproxy.a
root@localhost:/usr/local/go/pkg/linux_amd64# ls */*/*/*/*/*/*.a
ls: cannot access '*/*/*/*/*/*/*.a': No such file or directory
