$ echo "Hello, world!" Hello, world! % pwd /User/foo > make -j build %ls | wc -l 5 [user@host]$ whoami user [user@host] # id uid=1000(user) gid=1000(user) groups=1000(user) [super user :D@super host :D] %if [ 1 -eq 1 ]; then uname; fi Linux [user@host]%echo $((1+1)) 2