"How to prevent possible damage"
Alias - prepend the command with a \
Presuming alias ls='ls --color=auto' ls will show directories in colour \ls will not.
alias ls='ls --color=auto'
ls
\ls
Recursion - don't be root. Have user accounts limited in what resources they can use (CPU, disk space etc.)
dd - again, don't be root. Don't be in the disk group either.
dd
disk
chmod - don't be root.
chmod
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"How to prevent possible damage"
Alias - prepend the command with a \
Presuming
alias ls='ls --color=auto'lswill show directories in colour\lswill not.Recursion - don't be root. Have user accounts limited in what resources they can use (CPU, disk space etc.)
dd- again, don't be root. Don't be in thediskgroup either.chmod- don't be root.