[history] How to use the timestamp in command history file on AIX 5.3 with Korn Shell

0. I checked that this works in AIX 5.3 TL08 with Korn Shell (I've known that It works on AIX 5.3 or above)

1. You can simply use the timestamp in ~/.sh_history or history command with turning on the EXTENDED_HISTORY.

- add this in /etc/profile or ~/.profile

export EXTENDED_HISTORY=ON

2. If you want to see the timestamp, then use this command

[localhost:root] # history -t

2061 2011/01/31 16:10:40 :: fc -t

2062 2011/01/31 16:20:13 :: vi /etc/profile

2063 2011/01/31 16:20:25 :: lr

2064 2011/01/31 16:20:29 :: ls

2065 2011/01/31 16:20:31 :: fc -t

2066 2011/01/31 16:20:33 :: history

2067 2011/01/31 16:20:46 :: history -t

2068 2011/01/31 16:20:55 :: vi .sh_history

2069 2011/01/31 16:21:01 :: lr

2070 2011/01/31 16:21:09 :: history -t 0

2071 2011/01/31 16:21:21 :: exit

2072 2011/01/31 16:21:29 :: history

2073 2011/01/31 16:21:31 :: exit

2074 2011/01/31 16:25:24 :: cat /etc/profile

2075 2011/01/31 16:29:02 :: history -t

[localhost:root] # fc -t