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about history control

i am using export HISTCONTROL=ignoreboth command after that history command, history is not storing repeated command but when i use this command export HISTCONTROL=ignoredups then it also work as previous command.
i can't understand the difference b/w both. plz define both and what is work of both command.
Oct 18 '10 #1
2 1621
ashitpro
542 Expert 512MB
There are three supported values.

ignorespace: Doesn't write lines started with spaces

ignoredups: Doesn't write duplicate commands.

ignoreboth: Combined above two options.
Oct 18 '10 #2
thanks for help
Oct 18 '10 #3

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