小编Raj*_*eev的帖子

如何从 PTR whois 查找中仅获取所有者/组织名称？我不需要所有其他的东西，只需要关于所有权的部分（在这种情况下是谷歌）。

Edit /usr/bin/whois 74.125.236.52 或任何 ip get OrgName

  #
  # Query terms are ambiguous.  The query is assumed to be:
  #     "n 74.125.236.52"
  #
  # Use "?" to get help.
  #

  #
  # The following results may also be obtained via:
  # http://whois.arin.net/rest/nets;q=74.125.236.52?showDetails=true&showARIN=false&ext=netref2
  #

  NetRange:       74.125.0.0 - 74.125.255.255
  CIDR:           74.125.0.0/16
  OriginAS:
  NetName:        GOOGLE
  NetHandle:      NET-74-125-0-0-1
  Parent:         NET-74-0-0-0-0
  NetType:        Direct Allocation
  RegDate:        2007-03-13
  Updated:        2012-02-24
  Ref:            http://whois.arin.net/rest/net/NET-74-125-0-0-1


  OrgName:        Google Inc.
  OrgId:          GOGL
  Address:        1600 Amphitheatre Parkway
  City:           Mountain …

在linux中如何获取星期几的第一天的日期。

我知道 date +"%u" 给出了当前的星期几，由此如何获得该星期的星期一的日期