Startup:
  -V,  --version           display the version of Wget and exit.
  -h,  --help              print this help.
  -b,  --background        go to background after startup.
  -e,  --execute=COMMAND   execute a `.wgetrc'-style command.
 
Logging and input file:
  -o,  --output-file=FILE     log messages to FILE.
  -a,  --append-output=FILE   append messages to FILE.
  -d,  --debug                print debug output.
  -q,  --quiet                quiet (no output).
  -v,  --verbose              be verbose (this is the default).
  -nv, --non-verbose          turn off verboseness, without being quiet.
  -i,  --input-file=FILE      download URLs found in FILE.
  -F,  --force-html           treat input file as HTML.
  -B,  --base=URL             prepends URL to relative links in -F -i file.
       --sslcertfile=FILE     optional client certificate.
       --sslcertkey=KEYFILE   optional keyfile for this certificate.
       --egd-file=FILE        file name of the EGD socket.
 
Download:
       --bind-address=ADDRESS   bind to ADDRESS (hostname or IP) on local host.
  -t,  --tries=NUMBER           set number of retries to NUMBER (0 unlimits).
  -O   --output-document=FILE   write documents to FILE.
  -nc, --no-clobber             don't clobber existing files or use .# suffixes.
  -c,  --continue               resume getting a partially-downloaded file.
       --progress=TYPE          select progress gauge type.
  -N,  --timestamping           don't re-retrieve files unless newer than local.
  -S,  --server-response        print server response.
       --spider                 don't download anything.
  -T,  --timeout=SECONDS        set the read timeout to SECONDS.
  -w,  --wait=SECONDS           wait SECONDS between retrievals.
       --waitretry=SECONDS      wait 1...SECONDS between retries of a retrieval.
       --random-wait            wait from 0...2*WAIT secs between retrievals.
  -Y,  --proxy=on/off           turn proxy on or off.
  -Q,  --quota=NUMBER           set retrieval quota to NUMBER.
       --limit-rate=RATE        limit download rate to RATE.
 
Directories:
  -nd  --no-directories            don't create directories.
  -x,  --force-directories         force creation of directories.
  -nH, --no-host-directories       don't create host directories.
  -P,  --directory-prefix=PREFIX   save files to PREFIX/...
       --cut-dirs=NUMBER           ignore NUMBER remote directory components.
 
HTTP options:
       --http-user=USER      set http user to USER.
       --http-passwd=PASS    set http password to PASS.
  -C,  --cache=on/off        (dis)allow server-cached data (normally allowed).
  -E,  --html-extension      save all text/html documents with .html extension.
       --ignore-length       ignore `Content-Length' header field.
       --header=STRING       insert STRING among the headers.
       --proxy-user=USER     set USER as proxy username.
       --proxy-passwd=PASS   set PASS as proxy password.
       --referer=URL         include `Referer: URL' header in HTTP request.
  -s,  --save-headers        save the HTTP headers to file.
  -U,  --user-agent=AGENT    identify as AGENT instead of Wget/VERSION.
       --no-http-keep-alive  disable HTTP keep-alive (persistent connections).
       --cookies=off         don't use cookies.
       --load-cookies=FILE   load cookies from FILE before session.
       --save-cookies=FILE   save cookies to FILE after session.
 
FTP options:
  -nr, --dont-remove-listing   don't remove `.listing' files.
  -g,  --glob=on/off           turn file name globbing on or off.
       --passive-ftp           use the "passive" transfer mode.
       --retr-symlinks         when recursing, get linked-to files (not dirs).
 
Recursive retrieval:
  -r,  --recursive          recursive web-suck -- use with care!
  -l,  --level=NUMBER       maximum recursion depth (inf or 0 for infinite).
       --delete-after       delete files locally after downloading them.
  -k,  --convert-links      convert non-relative links to relative.
  -K,  --backup-converted   before converting file X, back up as X.orig.
  -m,  --mirror             shortcut option equivalent to -r -N -l inf -nr.
  -p,  --page-requisites    get all images, etc. needed to display HTML page.
 
Recursive accept/reject:
  -A,  --accept=LIST                comma-separated list of accepted extensions.
  -R,  --reject=LIST                comma-separated list of rejected extensions.
  -D,  --domains=LIST               comma-separated list of accepted domains.
       --exclude-domains=LIST       comma-separated list of rejected domains.
       --follow-ftp                 follow FTP links from HTML documents.
       --follow-tags=LIST           comma-separated list of followed HTML tags.
  -G,  --ignore-tags=LIST           comma-separated list of ignored HTML tags.
  -H,  --span-hosts                 go to foreign hosts when recursive.
  -L,  --relative                   follow relative links only.
  -I,  --include-directories=LIST   list of allowed directories.
  -X,  --exclude-directories=LIST   list of excluded directories.
  -np, --no-parent                  don't ascend to the parent directory.