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From man less: -F or --quit-if-one-screen Causes less to automatically exit if the entire file can be displayed on the first screen. Remove the option from LESS to avoid this.


OS X doesn't set a root password by default, so it's not possible to log in or su to root. The preferred way to run commands as root is sudo, since that requires your admin password instead of the (nonexistent) root password. sudo works a little different from su, as it's really intended to run single commands as root. Generally, you just use sudo as a ...

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