What is the apropos command and what does it do?
The apropos command considers each word separately and does not take into account if a letter is in uppercase or lowercase. Words that are part of other words are also displayed. For example, when looking for the word compile , the apropos command also finds all instances of the word compiler .
What is the difference between man and apropos?
The differences between apropos and whatis are simply where in the line they look, and what they are looking for. Apropos (which is equivalent to man -k) searches the argument string anywhere on the line, whereas whatis (equivalent to man -f) tries to match a complete command name only on the part before the dash.
What is Linux manpage?
A man page (short for manual page) is a form of software documentation usually found on a Unix or Unix-like operating system. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.
What command is same as the command apropos?
whatis is a command for obtaining the brief description of a specific command whose exact name is already known. It uses the same database as apropos does.
What option to the man command is equivalent to running the apropos command?
-k option
The apropos command is the equivalent of running man with the -k option.
How do I see all commands in Linux?
20 Answers
- compgen -c will list all the commands you could run.
- compgen -a will list all the aliases you could run.
- compgen -b will list all the built-ins you could run.
- compgen -k will list all the keywords you could run.
- compgen -A function will list all the functions you could run.
Who command in Linux?
The Linux “who” command lets you display the users currently logged in to your UNIX or Linux operating system. Whenever a user needs to know about how many users are using or are logged-in into a particular Linux-based operating system, he/she can use the “who” command to get that information.