How to unzip from the CLI? CLI zip exists but unzip doesn't?

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How to unzip from the CLI? CLI zip exists but unzip doesn't?

Operating system
  1. Linux
  2. Windows
Mobile operating system
  1. Android
This mornig I copied a zip file to my nas via SCP then I SSHed in to unzip it, and there was no unzip command. Really weird because there is a zip command. I looked at he help, and this is not some weird version of the zip command for linux that I never used that also de-compesses. Is there some way to add the unzip command besides installing GCC and compiling it myself? Is there another way to unzip the file from bash on NAS?

zippy1981@nas:/var/services/music$ ls /usr/bin/*zip*
/usr/bin/bunzip2  /usr/bin/bzip2  /usr/bin/gunzip  /usr/bin/gzip  /usr/bin/zip

zippy1981@nas:/var/services/music$ zip --help
Copyright (c) 1990-2008 Info-ZIP - Type 'zip "-L"' for software license.
Zip 3.0 (July 5th 2008). Usage:
zip [-options] [-b path] [-t mmddyyyy] [-n suffixes] [zipfile list] [-xi list]
  The default action is to add or replace zipfile entries from list, which
  can include the special name - to compress standard input.
  If zipfile and list are omitted, zip compresses stdin to stdout.
  -f   freshen: only changed files  -u   update: only changed or new files
  -d   delete entries in zipfile    -m   move into zipfile (delete OS files)
  -r   recurse into directories     -j   junk (don't record) directory names
  -0   store only                   -l   convert LF to CR LF (-ll CR LF to LF)
  -1   compress faster              -9   compress better
  -q   quiet operation              -v   verbose operation/print version info
  -c   add one-line comments        -z   add zipfile comment
  -@   read names from stdin        -o   make zipfile as old as latest entry
  -x   exclude the following names  -i   include only the following names
  -F   fix zipfile (-FF try harder) -D   do not add directory entries
  -A   adjust self-extracting exe   -J   junk zipfile prefix (unzipsfx)
  -T   test zipfile integrity       -X   eXclude eXtra file attributes
  -y   store symbolic links as the link instead of the referenced file
  -e   encrypt                      -n   don't compress these suffixes
  -h2  show more help
  -yf  store files/directories that symbolic links point to in an archive
  -cp  codepage, ex: fre,ger,ita,spn,cht,chs,jpn,krn,ptb,rus,dan,nor,sve,nld,plk,ptg,hun,trk,csy
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