Table 3. Singularity commands.

Global Options
−d − −debug	Print debugging information
−h − −help	Display usage summary
−q − −quiet	Only print errors
− − version	Show application version
−v − −verbose	Increase verbosity +1
−x − −sh −debug	Print shell wrapper debugging information
General Commands
help	Show additional help for a command
Container Usage Commands
exec	Execute a command within container
run	Launch a runscript within container
shell	Run a Bourne shell within container
test	Execute any test code defined within container
Container Management Commands (requires root)
bootstrap	Bootstrap a new Singularity image
copy	Copy files from your host into the container
create	Create a new container image
export	Export the contents of a container via a tar pipe
import	Import/add container contents via a tar pipe
mount	Mount a Singularity container image

Singularity command descriptions available via singularity –help. For all of the commands in the table, the general usage is: singularity [global options…] <command>[command options…] Options and arguments must be separated by spaces, and not equals (=) signs (e.g. –bind <path>).