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man Options and their Descriptions available to a UNIX System Administrator

man options and their descriptions:
  1. man -a : Retrieves all manual pages for a specific command
  2. man -k : Conducts keyword searches for all manual pages
  3. man -S : Provides a comma-separated list of sections containing a specific command
  4. man -M : Specifies the particular directories to search
  5. man -C : Specifies a customized man.conf file

		$ man date 
DATE(1)                   BSD General Commands Manual                  DATE(1) 

			date -- display or set date and time 

			date [-ju] [-r seconds] [-v [+|-]val[ymwdHMS]] ... [+output_fmt] 
			date [-jnu] [[[mm]dd]HH]MM[[cc]yy][.ss] 
			date [-jnu] -f input_fmt new_date [+output_fmt] 
			date [-d dst] [-t minutes_west] 
			When invoked without arguments, the date utility displays the current 
			date and time. Otherwise, depending on the options specified, date will 
			set the date and time or print it in a user-defined way. 

			The date utility displays the date and time read from the kernel clock. 
			When used to set the date and time, both the kernel clock and the hard- 
			ware clock are updated. 

			Only the superuser may set the date, and if the system securelevel (see 
			securelevel(8)) is greater than 1, the time may not be changed by more 
			than 1 second.