Software >> OS >> Unix >> Solaris >>  How to use ed editor, the default editor used in crontab

* leave input mode and enter command mode by typing a period (.) and carriage return * ? at the start of the line indicate command mode commands -------- q quit with save Q quit without save w write current buffer (save) r <file> read specified file into buffer u undo last command !<cmd> runs the shell command that follows

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