Why do some commands have man pages and other commands use –help?
Wouldn’t it be more consistent if one of these always worked?
documentation
How can I add man page entries for my own power tools?
I have no idea about how I can make my home-grown specialist scripts (written mostly in Bash and Perl) available through the man pages.
How do I look up exit codes for applications?
I’m having difficulty locating a comprehensive up-to-date list of error codes from Bash. e.g.:
Purpose of “ASCII text, with overstriking” file format
After downloading the source code for Bash, I was browsing through the doc directory and came across the following files:
cp behaves weirdly when . (dot) or .. (dot dot) are the source directory
This answer reveals that one can copy all files – including hidden ones – from directory src into directory dest like so:
How to search the whole manual pages on Linux?
Sometimes I need to look up certain words through all the manual pages. I am aware of apropos, but if I understand its manual right, it restricts search to the descriptions only.
Where is the official documentation (Debian package iproute-doc)?
Manpage of ss says:
Reinstall man pages & fix man
So in a recent fit of folly, I followed the instructions in this answer on the Ubuntu SE page since I wanted to remove most of the documentation. However, I didn’t read the commands well enough and missed that that those would also remove the man pages, which I didn’t want.
missing man pages of some commands
Typing man alias gives me
Where is “showing the output of the ‘ls’ command vertically” documented?
I found out it’s possible to show the output of the ls command vertically using the -1 switch: