LinuxShell_kernel

• uname -option

    ✗ uname -m
    x86_64
  
    ✗ uname -s
    Darwin
  
    ✗ uname -v
    Darwin Kernel Version 19.4.0: Wed Mar  4 22:28:40 PST 2020; 
    root:xnu-6153.101.6~15/RELEASE_X86_64
  
    ✗ uname -n
    Pintde-MacBook-Pro.local
  
    ✗ uname -p
    i386
    
    ✗ uname -a
    Darwin Pintde-MacBook-Pro.local 19.4.0 
    Darwin Kernel Version 19.4.0: 
    Wed Mar  4 22:28:40 PST 2020; 
    root:xnu-6153.101.6~15/RELEASE_X86_64 x86_64
  

• hostname

    ✗ hostname
    Pintde-MacBook-Pro.local
    
    usage: hostname [-fs] [name-of-host]
    
    -a, alias
    -d, domain name (not host name)
    -f, full hostname + domain name
    -F [filename], 將主機名稱設定為檔案中的指定名稱
    -h, help
    -i, ip addr of host
    -n, 查詢 DECnet 網路節點名稱。
    -s, suffix
    -v, 顯示指令執行過程。
    -V, version
    -y, 查詢 NIS 網域名稱。
  

• host

     ✗ host
    Usage: host [-aCdilrTvVw] [-c class] [-N ndots] [-t type] [-W time]
                [-R number] [-m flag] hostname [server]
           -a is equivalent to -v -t ANY
           -c specifies query class for non-IN data
           -C compares SOA records on authoritative nameservers
           -d is equivalent to -v
           -i IP6.INT reverse lookups
           -l lists all hosts in a domain, using AXFR
           -m set memory debugging flag (trace|record|usage)
           -N changes the number of dots allowed before root lookup is done
           -r disables recursive processing
           -R specifies number of retries for UDP packets
           -s a SERVFAIL response should stop query
           -t specifies the query type
           -T enables TCP/IP mode
           -v enables verbose output
           -V print version number and exit
           -w specifies to wait forever for a reply
           -W specifies how long to wait for a reply
           -4 use IPv4 query transport only
           -6 use IPv6 query transport only