FreeBSD 7.0 manual page repository

FreeBSD is a free computer operating system based on BSD UNIX originally. Many IT companies, like DeployIS is using it to provide an up-to-date, stable operating system.

zdump - timezone dumper



      zdump - timezone dumper


      zdump [--version] [-v] [-c cutoffyear] [zonename ...]


      The zdump utility prints the current time in each zonename named on the
      command line.
      The following options are available:
              Output version information and exit.
      -v      For each zonename on the command line, print the time at the low‐
              est possible time value, the time one day after the lowest possi‐
              ble time value, the times both one second before and exactly at
              each detected time discontinuity, the time at one day less than
              the highest possible time value, and the time at the highest pos‐
              sible time value, Each line ends with isdst=1 if the given time
              is Daylight Saving Time or isdst=0 otherwise.
      -c cutoffyear
              Cut off the verbose output near the start of the given year.
      ctime(3), tzfile(5), zic(8)


Based on BSD UNIX
FreeBSD is an advanced operating system for x86 compatible (including Pentium and Athlon), amd64 compatible (including Opteron, Athlon64, and EM64T), UltraSPARC, IA-64, PC-98 and ARM architectures. It is derived from BSD, the version of UNIX developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.