How to eliminate duplicates thoughout the whole history ?
Answer
# export HISTCONTROL=erasedups # pwd # service httpd stop # history | tail -3 38 pwd 39 service httpd stop 40 history | tail -3 # ls -ltr # service httpd stop # history | tail -6 35 export HISTCONTROL=erasedups 36 pwd 37 history | tail -3 38 ls -ltr 39 service httpd stop [Note that the previous service httpd stop after pwd got erased] 40 history | tail -6
Question
How to eliminate duplicates thoughout the whole history ?
Answer
?
Question
How to eliminate duplicates thoughout the whole history ?
Answer
# export HISTCONTROL=erasedups # pwd # service httpd stop # history | tail -3 38 pwd 39 service httpd stop 40 history | tail -3 # ls -ltr # service httpd stop # history | tail -6 35 export HISTCONTROL=erasedups 36 pwd 37 history | tail -3 38 ls -ltr 39 service httpd stop [Note that the previous service httpd stop after pwd got erased] 40 history | tail -6
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15 Examples To Master Linux Command Line History STCONTROL The ignoredups shown above removes duplicates only if they are consecutive commands. To eliminate duplicates across the whole history, set the HISTCONTROL to erasedups as shown below. <span># export HISTCONTROL=erasedups # pwd # service httpd stop # history | tail -3 38 pwd 39 service httpd stop 40 history | tail -3 # ls -ltr # service httpd stop # history | tail -6 35 export HISTCONTROL=erasedups 36 pwd 37 history | tail -3 38 ls -ltr 39 service httpd stop [Note that the previous service httpd stop after pwd got erased] 40 history | tail -6 10. Force history not to remember a particular command using HISTCONTROL When you execute a command, you can instruct history to ignore the command by setting HISTCONTROL to ignorespace
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