Download Raspbian image and write it SD card using as fewer commands as possible.

Download latest minimal Raspbian image without desktop.

$ wget --content-disposition https://downloads.raspberrypi.org/raspbian_lite_latest
--2018-10-28 19:38:12--  https://downloads.raspberrypi.org/raspbian_lite_latest
Resolving downloads.raspberrypi.org (downloads.raspberrypi.org)... 46.235.227.11, 93.93.128.211, 93.93.128.230, ...
Connecting to downloads.raspberrypi.org (downloads.raspberrypi.org)|46.235.227.11|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2018-10-11/2018-10-09-raspbian-stretch-lite.zip [following]
--2018-10-28 19:38:12--  https://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2018-10-11/2018-10-09-raspbian-stretch-lite.zip
Reusing existing connection to downloads.raspberrypi.org:443.
HTTP request sent, awaiting response... 302 Found
Location: http://director.downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2018-10-11/2018-10-09-raspbian-stretch-lite.zip [following]
--2018-10-28 19:38:12--  http://director.downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2018-10-11/2018-10-09-raspbian-stretch-lite.zip
Resolving director.downloads.raspberrypi.org (director.downloads.raspberrypi.org)... 46.235.227.11, 93.93.128.211, 93.93.128.230, ...
Connecting to director.downloads.raspberrypi.org (director.downloads.raspberrypi.org)|46.235.227.11|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 368317240 (351M) [application/zip]
Saving to: '2018-10-09-raspbian-stretch-lite.zip'
2018-10-09-raspbian-stret 100%[===================================>] 351.25M  1.96MB/s    in 2m 59s
2018-10-28 19:41:12 (1.96 MB/s) - '2018-10-09-raspbian-stretch-lite.zip' saved [368317240/368317240]

Alternatively, download standard Raspbian image that includes desktop environment.

$ wget --content-disposition https://downloads.raspberrypi.org/raspbian_latest
--2018-10-28 19:42:24--  https://downloads.raspberrypi.org/raspbian_latest
Resolving downloads.raspberrypi.org (downloads.raspberrypi.org)... 46.235.227.11, 93.93.128.211, 93.93.128.230, ...
Connecting to downloads.raspberrypi.org (downloads.raspberrypi.org)|46.235.227.11|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://downloads.raspberrypi.org/raspbian/images/raspbian-2018-10-11/2018-10-09-raspbian-stretch.zip [following]
--2018-10-28 19:42:24--  https://downloads.raspberrypi.org/raspbian/images/raspbian-2018-10-11/2018-10-09-raspbian-stretch.zip
Reusing existing connection to downloads.raspberrypi.org:443.
HTTP request sent, awaiting response... 302 Found
Location: http://director.downloads.raspberrypi.org/raspbian/images/raspbian-2018-10-11/2018-10-09-raspbian-stretch.zip [following]
--2018-10-28 19:42:24--  http://director.downloads.raspberrypi.org/raspbian/images/raspbian-2018-10-11/2018-10-09-raspbian-stretch.zip
Resolving director.downloads.raspberrypi.org (director.downloads.raspberrypi.org)... 46.235.227.11, 93.93.128.211, 93.93.128.230, ...
Connecting to director.downloads.raspberrypi.org (director.downloads.raspberrypi.org)|46.235.227.11|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1431204144 (1.3G) [application/zip]
Saving to: '2018-10-09-raspbian-stretch.zip'
2018-10-09-raspbian-stret 100%[===================================>]   1.33G  2.40MB/s    in 11m 2s
2018-10-28 19:53:26 (2.06 MB/s) - '2018-10-09-raspbian-stretch.zip' saved [1431204144/1431204144]

Extract image to the standard output and write it your SD card at the same time.

$ unzip -p 2018-10-09-raspbian-stretch-lite.zip | sudo dd of=/dev/mmcblk0 oflag=sync status=progress bs=4M
1859059712 bytes (1,9 GB, 1,7 GiB) copied, 70 s, 26,6 MB/s
0+14208 przeczytanych rekordów
0+14208 zapisanych rekordów
1866465280 bytes (1,9 GB, 1,7 GiB) copied, 70,2763 s, 26,6 MB/s

Additional notes

I have used InfoZIP’s unzip application provided by the unzip package.

$ unzip -v
UnZip 6.00 of 20 April 2009, by Debian. Original by Info-ZIP.
Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip/ ;
see ftp://ftp.info-zip.org/pub/infozip/UnZip.html for other sites.
Compiled with gcc 6.2.1 20161124 for Unix (Linux ELF).
UnZip special compilation options:
        ACORN_FTYPE_NFS
        COPYRIGHT_CLEAN (PKZIP 0.9x unreducing method not supported)
        SET_DIR_ATTRIB
        SYMLINKS (symbolic links supported, if RTL and file system permit)
        TIMESTAMP
        UNIXBACKUP
        USE_EF_UT_TIME
        USE_UNSHRINK (PKZIP/Zip 1.x unshrinking method supported)
        USE_DEFLATE64 (PKZIP 4.x Deflate64(tm) supported)
        UNICODE_SUPPORT [wide-chars, char coding: UTF-8] (handle UTF-8 paths)
        LARGE_FILE_SUPPORT (large files over 2 GiB supported)
        ZIP64_SUPPORT (archives using Zip64 for large files supported)
        USE_BZIP2 (PKZIP 4.6+, using bzip2 lib version 1.0.6, 6-Sept-2010)
        VMS_TEXT_CONV
        WILD_STOP_AT_DIR
        [decryption, version 2.11 of 05 Jan 2007]
UnZip and ZipInfo environment options:
           UNZIP:  [none]
        UNZIPOPT:  [none]
         ZIPINFO:  [none]
      ZIPINFOOPT:  [none]