Open SHR File
SHR extension files are a self -extending type type created with the UNIX Shar program.
Shar is an abbreviation of the Shell file, and it is also a self -extraction file format, because it is a valid Shell script, and execute it will recreate the files.
To extract the files, only the standard unix Bourne Shell Sh.
Bourne Shell is a computer program whose function is to interpret orders.
Bourne Shell incorporates characteristics such as processes control, entry/output redirection, listing and reading files, protection, communications and an orders language to write batch programs or 'scripts'.
He was the interpreter used in the first versions of UNIX and from that moment, he became a de facto standard.
Shar files also use SH and SHAR extensions, being all common and present in most Linux distributions.