---
name: "bliss"
section: "1"
platform: "linux"
package: "bliss"
version: "0.77-3+b3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/bliss"
---

# bliss(1)

compute automorphism groups and canonical labelings of graphs

## NAME

bliss - compute automorphism groups and canonical labelings of graphs

## SYNOPSIS

**bliss** \[*options*\] \[*\<graphfile\>*\]

## DESCRIPTION

-

  Run bliss on \<graphfile\>.

## OPTIONS

- **-directed**

  the input graph is directed

- **-can**

  compute canonical form

- **-ocan**=*f*

  compute canonical form and output it in file f

- **-v**=*N*

  set verbose level to N \[N \>= 0, default: 1\]

- **-sh**=*X*

  select splitting heuristics, where X is

- f

  first non-singleton cell

- fl

  first largest non-singleton cell

- fs

  first smallest non-singleton cell

- fm

  first maximally non-trivially connected non-singleton cell

- flm

  first largest maximally non-trivially connected non-singleton cell

- fsm

  first smallest maximally non-trivially connected non-singleton cell \[default\]

- **-fr**=*X*

  use failure recording? \[X=y/n, default: y\]

- **-cr**=*X*

  use component recursion? \[X=y/n, default: y\]

- **-version**

  print the version number and exit

- **-help**

  print this help and exit

## COPYRIGHT

Copyright © 2003-2015 Tommi Junttila.

License LGPLv3+: GNU LGPL version 3 or later, \<http://gnu.org/licenses/lgpl.html\>. This program comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under certain conditions; see COPYING and COPYING.LESSER for details.
