Table of Contents
Intermediate Unix Commands
Permissions
UNIX organizes permissions by user, group, and others. There are three different permissions available: read, write, and execute
chmod
is the command to change permissions
Groups
To change the group associated with a file, use chgrp
Finding Content: grep
Finding Files: find
Finding Differences Between Files: diff
Beginning of Files: head
End of Files: tail
Viewing Services Listening on a Port
lsof -i :<port>
e.g.,
lsof -i :8080