nice, nohup

• nice (csh built-in) sets the priority level of a command. The higher the priority number, the slower it will run.

• Usage: nice [ + n | - n ] command

• Example:

nice +20 emacs &

nice -20 importantJob only root can give negative value

• nohup (csh built-in) makes a process immune to hangup conditions

• Usage: nohup command

• Example:

nohup bigJob &

• in ~/.logout: /usr/bin/kill -HUP -1 >& /dev/null

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