You need to use the following commands to search man pages: apropos Command. Man pages are organized in sections, e.g. The man pages are a user manual that is by default built into most Linux distributions (i.e., versions) and most other Unix-like operating systems during installation. Here are some basic commands to get you started in the wonderful world of Linux and other UNIX variants. The man command displays the “man pages” for a command in less. The command is intended for quick checking of many files. Because man uses less to display the man pages, you can use the search capabilities of less. The syntax is as follows: For example, to see the man pages for chown, use the following command: man chown. But, I got the following message when I tried to open the man pages of alias or unalias commands. The man pages are the user manual for that command. For details of in-depth Linux/UNIX system programming training courses that I teach, look here . The other day I was testing alias and unalias commands on my Ubuntu 18.04 desktop. The apropos command searches a set of database files containing short descriptions of system commands for keywords and shows the result on the screen. Man page is the short form for "manual page" found in software documentation on a Linux, UNIX and other Unix-like operating system. Posted on October 3, 2006 by ruchi 22 Comments. The redirection is necessary as the -T flag causes output to be directed to stdout with no pager. HTML rendering created 2020-12-21 by Michael Kerrisk, author of The Linux Programming Interface, maintainer of the Linux man-pages project. Printing a man page isn't a one-step process, however, and the commands that round out this particular section are actually using principles that will be covered extensively later. : $ man read How do I search all the man pages for a particular command at Linux shell prompt? I wanted to refer all available arguments, flags and options of the alias command, so I opened the man page. Print Man Pages man -t. As easy as it is to view man pages using a terminal program, sometimes it's necessary to print out a man page for easier reading and cogitation. On the command line, if you don't explicitly specify the section you get the first matching man page, in the default section traversal order, e.g. Section 1 includes all user command man pages, Section 2 all man pages for the system calls, Section 3 is for library functions etc. The beginning of the man page for the pwd command. Basic Linux Commands With Man Pages. man -l -Tdvi ./foo.1x.gz > ./foo.1x.dvi This command will decompress and format the nroff source man‐ ual page ./foo.1x.gz into a device independent (dvi) file. The command expects the files to bee verified either on the commandline or reads the filenames from stdin; each anem muts be on separate line. All man pages have a common format. 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