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Julia 中得到作業系統的資訊

Julia 的關於作業系統的資訊可以通過 Sys 命令來得到,如

help?> Sys
search: Sys SystemError systemerror displaysize subtypes

  Provide methods for retrieving information about hardware and the operating
  system.

輸入 Sys. 後按兩次 tab,可以檢視

julia> Sys.
ARCH              STDLIB             eval               iswindows
BINDIR            UV_cpu_info_t      free_memory        loadavg
CPU_NAME          WINDOWS_VISTA_VER  get_process_title  maxrss
CPU_THREADS       WORD_SIZE          include            set_process_title
CPUinfo           __init__           isapple            total_memory
JIT               _cpu_summary       isbsd              uptime
KERNEL            _show_cpuinfo      isexecutable       which
MACHINE           cpu_info           islinux            windows_version
SC_CLK_TCK        cpu_summary        isunix

可以嘗試一下

julia> Sys.isapple()
true

julia> Sys.islinux()
false

julia> Sys.isunix()
true

julia> Sys.iswindows()
false