IOError: could not spawn `....`: no such file or directory (ENOENT)

Hi I’m new in the world of programming,
i’m trying to perform this exercise but it gives me this error could you help me please?

this is my Julia version
julia> versioninfo()
Julia Version 1.6.3
Commit ae8452a9e0 (2021-09-23 17:34 UTC)
Platform Info:
OS: Windows (x86_64-w64-mingw32)
CPU: Intel(R) Core™ i3-10110U CPU @ 2.10GHz
LIBM: libopenlibm
LLVM: libLLVM-11.0.1 (ORCJIT, skylake)

Welcome! Please take a look at Fail to run shell command - #2 by stevengj


thanks a lot
I also have a problem with ls (list in windows) but i can’t find the right topic could you help me?
shell> ls
ERROR: IOError: could not spawn ls: no such file or directory (ENOENT)
[1] _spawn_primitive(file::String, cmd::Cmd, stdio::Vector{Any})
@ Base .\process.jl:99
[2] #637
@ .\process.jl:112 [inlined]
[3] setup_stdios(f::Base.var"#637#638"{Cmd}, stdios::Vector{Any})
@ Base .\process.jl:196
[4] _spawn
@ .\process.jl:111 [inlined]
[5] run(::Cmd; wait::Bool)
@ Base .\process.jl:439
[6] run
@ .\process.jl:438 [inlined]
[7] repl_cmd(cmd::Cmd, out::Base.TTY)
@ Base .\client.jl:69
[8] top-level scope
@ none:1