/usr/bin/systemd-dissect

> systemd-dissect [OPTION…] IMAGE
> systemd-dissect [OPTION…] --mount IMAGE PATH
> systemd-dissect [OPTION…] --umount PATH
> systemd-dissect [OPTION…] --attach IMAGE
> systemd-dissect [OPTION…] --detach PATH
> systemd-dissect [OPTION…] --list IMAGE
> systemd-dissect [OPTION…] --mtree IMAGE
> systemd-dissect [OPTION…] --with IMAGE [COMMAND…]
> systemd-dissect [OPTION…] --copy-from IMAGE PATH [TARGET]
> systemd-dissect [OPTION…] --copy-to IMAGE [SOURCE] PATH
> systemd-dissect [OPTION…] --make-archive IMAGE [TARGET]
> systemd-dissect [OPTION…] --discover
> systemd-dissect [OPTION…] --validate IMAGE
> systemd-dissect [OPTION…] --shift IMAGE UIDBASE

Dissect a Discoverable Disk Image (DDI).

Options:
     --no-pager            Do not start a pager
     --no-legend           Do not show headers and footers
     --mkdir               Make mount directory before mounting, if missing
     --rmdir               Remove mount directory after unmounting
  -r --read-only           Mount read-only
     --discard=MODE        Choose discard mode (disabled, loop, all, crypto)
     --in-memory           Copy image into memory
     --root-hash=HASH      Specify root hash for verity
     --usr-hash=HASH       Same, but for the usr partition
     --root-hash-sig=SIG   Specify signature of root hash for verity as DER-encoded PKCS7, either as
                           a path to a file or as an ASCII base64-encoded string prefixed by
                           'base64:'
     --usr-hash-sig=SIG    Same, but for the usr partition
     --verity-data=PATH    Specify data file with hash tree for verity if it is not embedded in
                           IMAGE
     --fsck=BOOL           Run fsck before mounting
     --growfs=BOOL         Grow file system to partition size, if marked
     --json=FORMAT         Generate JSON output (pretty, short, or off)
     --loop-ref=NAME       Set reference string for loopback device
     --loop-ref-auto       Derive reference string from image file name
     --image-policy=POLICY Specify image dissection policy
     --mtree-hash=BOOL     Whether to include SHA256 hash in the mtree output
     --system              Discover system images
     --user                Discover user images
     --all                 Show hidden images too
  -q --quiet               Suppress output of chosen loopback block device
     --image-filter=FILTER Specify image dissection filter
     --copy-ownership=BOOL Whether to copy ownership when copying files

Commands:
  -h --help                Show this help
     --version             Show package version
  -m --mount               Mount the image to the specified directory
  -M                       Shortcut for --mount --mkdir
  -u --umount              Unmount the image from the specified directory
  -U                       Shortcut for --umount --rmdir
     --attach              Attach the disk image to a loopback block device
     --detach              Detach a loopback block device again
  -l --list                List all the files and directories of the specified OS image
     --mtree               Show BSD mtree manifest of OS image
     --with                Mount, run command, unmount
  -x --copy-from           Copy files from image to host
  -a --copy-to             Copy files from host to image
     --make-archive        Convert the DDI to an archive file
     --discover            Discover DDIs in well known directories
     --validate            Validate image and image policy
     --shift               Shift UID range to selected base

See the systemd-dissect(1) man page for details.