rm
are case-sensitive1 (as with most other commands), which means that the f
flag must be in lower case. However, the r
flag can also be capitalised.rm
can be either combined together or separated. They don't have to be combined.r
flag indicates that the rm
command should-attempt to remove the file hierarchy rooted in each file argument. - DESCRIPTION section on the manpage forrm
(Seeman rm
for more info)
f
flag indicates that the rm
command should-attempt to remove the files without prompting for confirmation, regardless of the file's permissions. - DESCRIPTION section on the manpage forrm
(Seeman rm
for more info)