Write on the console without being registered
root@ubuntu1204:~# history -d $((HISTCMD-1)) && fdisk Usage: fdisk [options] <disk> change partition table fdisk [options] -l <disk> list partition table(s) fdisk -s <partition> give partition size(s) in blocks Options: -b <size> sector size (512, 1024, 2048 or 4096) -c[=<mode>] compatible mode: 'dos' or 'nondos' (default) -h print this help text -u[=<unit>] display units: 'cylinders' or 'sectors' (default) -v print program version -C <number> specify the number of cylinders -H <number> specify the number of heads -S <number> specify the number of sectors per track root@ubuntu1204:~# history | tail -n4 692 cd 693 echo $HISTCMD 694 history -d 694 695 history | tail -n4 root@ubuntu1204:~#
1 Alternatives + Submit Alt
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just use a space to prevent commands from being recorded in bash's history on most systems
5_ls
What do you think?
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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pwd # is logged to historypwd # is not logged$ pwd # is logged to history$ pwd # is not logged