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A simple directive which disables all aliases and functions for the command immediately following it. Shortcut for the bash built-in 'command' - "command linefoo".
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e.g. if rm is aliased for 'rm -i', you can escape the alias by prepending a backslash:
rm [file] # WILL prompt for confirmation per the alias
\rm [file] # will NOT prompt for confirmation per the default behavior of the command
say, someone has aliased ls to 'ls --color=always' and you want to temporarily override the alias (it does not override functions)
if you have a alias like this:
alias cp='cp -i'
# cp file1 file1.bak
# cp -i file1 file1.bak
(it will not overwrite file1.bak if it exist)
# \cp file1 file1.bak
# /bin/cp file1 file1.bak
(skip alias settings, it will overwrite file1.bak if it exist)
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