deno

deno --version Display the deno version.

`deno check module.ts`	Type check a script.
`deno check --all module.ts`	Also type check remote modules and npm packages.
`deno run --check module.ts`	Type check and run a script.(By default, `deno run` does not check types.)
`deno run --check=all module.ts`	Also type check remote modules and npm packages.

`deno run -R script.ts` `deno run --allow-read script.ts`	Allow all reads from file system.
`deno run --allow-read=foo.txt,bar.txt script.ts`	Allow reads from file `foo.txt` and `bar.txt` only.
`deno run --allow-read=node_modules script.ts`	Allow reads from any file in any subdirectory of `./node_modules`.
`deno run --allow-read=/etc --deny-read=/etc/hosts script.ts`	Allow reading files in `/etc` but disallow reading `/etc/hosts`.
`deno run --deny-read script.ts`	Deny all read access to disk, disabling permission prompts for reads.
`deno run -W script.ts` `deno run --allow-write script.ts`	Allow all writes to file system.
`deno run --allow-write=foo.txt,bar.txt script.ts`	Allow writes to file `foo.txt` and `bar.txt` only.
`deno run --allow-write=./ --deny-write=./secrets script.ts`	Allow reading files in current working directory but disallow writing to `./secrets` directory.
`deno run --deny-write script.ts`	Deny all write access to disk, disabling permission prompts.
`deno run -N script.ts` `deno run --allow-net script.ts`	Allow network access.
`deno run --allow-net=github.com,jsr.io script.ts`	Allow network access to `github.com` and `jsr.io`.
`deno run --allow-net=example.com:80 script.ts`	Allow a hostname at port 80.
`deno run --allow-net=1.1.1.1:443 script.ts`	Allow an IPv4 address on port 443.
`deno run --allow-net=[2606:4700:4700::1111] script.ts`	Allow an IPv6 address, all ports allowed.
`deno run --allow-net --deny-net=github.com,jsr.io script.ts`	Allow access to network, but deny access to `github.com` and `jsr.io`.
`deno run --deny-net script.ts`	Deny all network access, disabling permission prompts.
`deno run -E script.ts` `deno run --allow-env script.ts`	Allow access to all environment variables.
`deno run --allow-env=HOME,FOO script.ts`	Allow `HOME` and `FOO` environment variables.
`deno run --allow-env="AWS_*" script.ts`	Allow access to all environment variables starting with `AWS_`.
`deno run --allow-env --deny-env=AWS_ACCESS_KEY_ID,AWS_SECRET_ACCESS_KEY script.ts`	Allow all environment variables except `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY`.
`deno run --deny-env script.ts`	Deny all access to env variables, disabling permission prompts.
`deno run -S script.ts` `deno run --allow-sys script.ts`	Allow all system information APIs.
`deno run --allow-sys="systemMemoryInfo,osRelease" script.ts`	Allow `systemMemoryInfo` and `osRelease` APIs.
`deno run --allow-sys --deny-sys="networkInterfaces" script.ts`	Allow accessing all system information but `networkInterfaces`.
`deno run --deny-sys script.ts`	Deny all access to system information, disabling permission prompts.
`deno run --allow-run script.ts`	Allow running all subprocesses.
`deno run --allow-run="curl,whoami" script.ts`	Allow running `curl` and `whoami` subprocesses.
`deno run --allow-run --deny-run="whoami,ps" script.ts`	Allow running running all programs, but `whoami` and `ps`.
`deno run --deny-run script.ts`	Deny all access for spawning subprocessing, disabling permission prompts.
`deno run --allow-ffi script.ts`	Allow loading dynamic all libraries
`deno run --allow-ffi=./libfoo.so script.ts`	Allow loading dynamic libraries from a specific path.
`deno run --allow-ffi --deny-ffi=./libfoo.so script.ts`	Allow loading all dynamic libraries, but `./libfoo.so`.
`deno run --deny-ffi script.ts`	Deny loading all dynamic libraries, disabling permission prompts.