getting help for a command

ls --help
ls -h
ls -?

… works with many commands, not with all

man

man ip

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man crontab

sucht nach 'crontab' von Anfang (Section 1) an

man 5 crontab

sucht nach 'crontab' nur innerhalb von Section 5

show all present man-pages

man -a passwd

Gliederung von man-Pages:

NAME	commandname with short description of the syntax
SYNOPSIS	overview command incl. parameters
DESCRIPTION	detailed description of the command and its options
FILES	related files
EXAMPLES	usage examples
SEE ALSO	related topics
COPYRIGHT	authors of the command
BUGS	known bugs of the command

apropos password
whatis passwd

help alias

info date

script -t 2> mitschrift.timing -a mitschrift.session

Protokoll beenden: Strg + d

Mitschrift abspielen:

scriptreplay mitschrift.timing mitschrift.session

¹⁾

shotkeys like in less