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Linux教程網 >> Unix知識 >> 關於Unix >> 怎樣通過聯機幫助學會不懂的命令

怎樣通過聯機幫助學會不懂的命令

日期:2017/3/6 15:45:44   编辑:關於Unix
答: HP-UX提供了一個聯機命令---"man",該命令用於幫助用戶了解某個HP-UX命令的使用方法 、 命令的作用等等。 如下例,顯示了HP-UX命令 who 的聯機幫助信息: #man who who(1) NAME who - who is on the system SYNOPSIS who [-muTlHqpdbrtasAR] [file] who
  答:
  HP-UX提供了一個聯機命令---"man",該命令用於幫助用戶了解某個HP-UX命令的使用方法 、 命令的作用等等。
  如下例,顯示了HP-UX命令 who 的聯機幫助信息:
  
  #man who
  
  who(1)
  
  NAME
  who - who is on the system
  
  SYNOPSIS
  who [-muTlHqpdbrtasAR] [file]
  
  who am i
  
  who am I
  
  DESCRIPTION
  The who command can list the user's name, terminal line, login time,elapsed time since input activity oclearcase/" target="_blank" >ccurred on the line, the user's host name, and the process-ID of the command interpreter (shell) for each current system user. It examines the /etc/utmp file to obtain its information. If file is given, that file is examined. Usually,file is /var/adm/wtmp, which contains a history of all of the logins since the file was last created.
  The who command with the am i or am I option identifies the invoking user.
  cat12619 (9%) <-- 表示僅列出了所有信息的9%。繼續顯示後續信息,可以按空格鍵,或J鍵;也可以按K鍵查看前面的信息。
  
  
  
  
  
  
  

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