This file is indexed.

/usr/lib/iraf/extern/wcstools/wcstools.men is in iraf-wcstools 3.9.5-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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  addpix - Add a constant value(s) to specified pixel(s) *
   chead - Copy specified keyword values from one image file header to another *
  conpix - Operate on all pixels of a FITS or IRAF image file *
   dhead - Delete specified keywords from FITS or IRAF image file headers
    dwcs - Delete the WCS keywords from an image *
  edhead - Edit the header of a FITS or IRAF .imh file using $EDITOR
   fname - Drop directory path from path name *
   froot - Drop file name extension *
  filext - Return file name extension *
  getcol - Return values for specified columns in an ASCII table
 getdate - Convert between date formats *
 getfits - Extract portion of a FITS file into a new FITS file, including WCS
 gethead - Return values for keyword(s) specified after filename.
  getpix - Return value(s) of specified pixel(s) *
  gettab - Return values for column(s) from tab table database file *
     i2f - Read two-dimensional IRAF image file and write FITS image file
   ihead - Print FITS or IRAF header
   imact - List ACT Catalog sources in the area of the sky covered image *
   imcat - List catalog sources in the area of the sky covered image with WCS
imextract- Extract single FITS or IRAF images from a compound FITS or IRAF image
   imgsc - List HST Guide Star Catalog sources in sky covered by image with WCS
  imgsc2 - List GSC II sources in sky covered by image with WCS
   imppm - List PPM catalog sources in sky covered by image with WCS *
   imsao - List SAO catalog sources in sky covered by image with WCS *
   imtmc - List 2MASS Point Sources in sky covered by image with WCS
   imty2 - List Tycho-2 stars in sky covered by image with WCS
   imua2 - List USNO A2.0 catalog sources in sky covered by image with WCS
   imub1 - List USNO B1.0 catalog sources in sky covered by image with WCS
 imucac2 - List USNO UCAC2 catalog sources in sky covered by image with WCS
  imusa2 - List USNO SA2.0 catalog sources in sky covered by image with WCS
  immcat - Match catalog and image stars using the WCS in the image file *
   imrot - Rotate and/or reflect FITS or IRAF image files
  imsize - Print center and size of image using WCS keywords in header
  imstar - Find and list stars in an IRAF or FITS image
 imstack - Stack FITS or IRAF images into single FITS image *
   imwcs - Fit a world coordinate system to a FITS or IRAF image
 keyhead - Change keyword names in headers of FITS or IRAF images.
 newfits - Make a blank or dataless FITS image file *
   remap - Remap FITS or IRAF images into single FITS image using WCS *
    scat - Search a source catalog given a region on the sky.
 sethead - Set header keyword values in FITS or IRAF images.
  setpix - Set specified pixel(s) to specified value(s) *
    sgsc - Search the HST Guide Star Catalog given a region on the sky.
   sgsc2 - Search the GSC II Catalog given a region on the sky.
  simpos - Return RA and Dec for object name using SIMBAD
    sppm - Search the PPM catalog given a region on the sky. *
    ssao - Search the SAO catalog given a region on the sky. *
    stmc - Search the 2MASS Point Source Catalog given a region on the sky.
    sty2 - Search the Tycho-2 Catalog given a region on the sky.
    sua2 - Search the USNO A2.0 catalog given a region on the sky.
    sub1 - Search the USNO B1.0 catalog given a region on the sky.
  sucac2 - Search the USNO UCAC2 catalog given a region on the sky.
   susa2 - Search the USNO SA2.0 catalog given a region on the sky.
  sky2xy - Print image pixel coordinates for image with WCS at sky coordinates
 skycoor - Convert between coordinate systems
  sumpix - Sum row, column, or region of a FITS or IRAF image
 wcshead - Print world coordinate system information on one line per image *
  xy2sky - Print sky coordinates at pixel coordinates for image with WCS

  * indicates that no help file exists yet; type the command with no arguments
    to get simple documentation