OptionsOn sha1sum itself
-b--binary
Read in binary mode
-c--check
Read SHA1 sums from the FILEs and check them
--tag
Create a BSD-style checksum
-t--text
Read in text mode (default)
-z--zero
End each output line with NUL, not newline, and disable file name escaping
--ignore-missing
Don't fail or report status for missing files
--quiet
Don't print OK for each successfully verified file
--status
Don't output anything, status code shows success
--strict
Exit non-zero for improperly formatted checksum lines
-w--warn
Warn about improperly formatted checksum lines
--help
Output help message and exit
--version
Output version information and exit
ArgumentsPositional, in order
<file>
With no FILE, or when FILE is -, read standard input · optional · filepaths
