macOS10.15.6です。
ターミナル入力で簡単なウイルスチェックができるということで試したところ、"does not exit"は出ずに以下の文章が示されました。
-----
Command line interface to a user's defaults.
Syntax:
'defaults' [-currentHost | -host <hostname>] followed by one of the following:
read shows all defaults
read <domain> shows defaults for given domain
read <domain> <key> shows defaults for given domain, key
read-type <domain> <key> shows the type for the given domain, key
write <domain> <domain_rep> writes domain (overwrites existing)
write <domain> <key> <value> writes key for domain
rename <domain> <old_key> <new_key> renames old_key to new_key
delete <domain> deletes domain
delete <domain> <key> deletes key in domain
import <domain> <path to plist> writes the plist at path to domain
import <domain> - writes a plist from stdin to domain
export <domain> <path to plist> saves domain as a binary plist to path
export <domain> - writes domain as an xml plist to stdout
domains lists all domains
find <word> lists all entries containing word
help print this help
<domain> is ( <domain_name> | -app <application_name> | -globalDomain )
or a path to a file omitting the '.plist' extension
<value> is one of:
<value_rep>
-string <string_value>
-data <hex_digits>
-int[eger] <integer_value>
-float <floating-point_value>
-bool[ean] (true | false | yes | no)
-date <date_rep>
-array <value1> <value2> ...
-array-add <value1> <value2> ...
-dict <key1> <value1> <key2> <value2> ...
-dict-add <key1> <value1> ...
-----
これは感染しているのでしょうか?
検索してもよく分からないので教えて頂けたらありがたいです。