grep -E 'word1|word2'
GREP ANDgrep -E 'word1.*word2'
GREP NOTOR grep -vE 'word1|word2' AND grep -vE 'word1.*word2'
OR grep -vE 'word1|word2' AND grep -vE 'word1.*word2'
rsync options source destination
rsync -zvr /dir1/ /dir2
rsync -azv /dir1/ /dir2
rsync -v /dir1/file /dir2
rsync -avz /dir1/ user@host:/dir2
rsync -avz user@host:/dir1 /dir2
rsync -avz -e ssh user@host:/dir1 /dir2
rsync -avzu user@host:/dir1 /dir2
rsync -v -d user@host:/dir1 .
rsync -avz --progress user@host:/dir1 /dir2
rsync -avz --delete user@host:/dir1 /dir2
rsync -avz --existing user@host:/dir1 /dir2
rsync -avzi user@host:/dir1 /dir2
rsync -avz --include='*.sh' --include='*/' --exclude='*' user@host:/dir1 /dir2
rsync -avz --max-size='100K' user@host:/dir1 /dir2
rsync -avzW user@host:/dir1 /dir2
rsync -v --bwlimit=KBPS /dir1/file /dir2