I want to learn how to use crontab. I see there are two manual pages:
crontab(1) crontab(5) Why are there 2 manual pages? What are the differences between them? Do I need to study both in order to use crontab, or is one authoritative?
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crontab(1) is the man page of crontab command.
crontab(5) is the man page of crontab file.
The man pages are divided in sections as described in What do the numbers in a man page mean?. Each section groups similar man pages. For example, Section 1 holds user commands (commands runable by all users in the system). Section 8 covers SysAdmin commands (i.e. the commands that demand root access to be run). Section 5 covers file formats. See the link above for more info.
Another example would be passwd(1) which describes the passwd command, and passwd(5) which describes the /etc/passwd file format.
- @steeldriver tks for the editing, its much clearer nowJucaPirama– JucaPirama2019-04-05 03:13:54 +00:00Commented Apr 5, 2019 at 3:13