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--- os_cp:intro [2026/03/03 12:27] – [Accessing the shell] jkonczak
+++ os_cp:intro [2026/03/11 23:57] (current) – [Glob names and wildcards] jkonczak
@@ Line 146: / Line 146: @@
 ~~Exercise.#~~ Display help for ''cat'' and ''bat'' commands by running them with help option. <html><small></html>(NB: ''bat'' is installed by default only in some Linux distros.)<html></small></html>
-Usually together with a program comes with a set of system manual pages. The pages can be displayed using the **''man //pagename//''** command. To leave the manual, type ''q''.
+Usually a program comes together with a set of system manual pages. The pages can be displayed using the **''man //pagename//''** command. To leave the manual, type ''q''.
 ~~Exercise.#~~ Display manual page for ''timeout'' command.
@@ Line 154: / Line 154: @@
 Page names are unique within a section, but there may be pages with the same name in different sections.
 \\
-You may use the **''whatis //pagename//''** command to learn which sections contain given page name and display the full page title.
+You may type **''whatis //pagename//''** or <small>''man -f //pagename//''</small> to learn which sections contain given page name and display the full page title.
 ~~Exercise.#~~ List all pages that are named ''time''.
-To select a page from a given section, one has to use ''man //section// //pagename//'' syntax.
+To select a page from a given section, one has to use ''man //section// //pagename//'' syntax, e.g., ''man 2 write''.
 ~~Exercise.#~~ The ''man'' itself is described on two manual pages. Display both. What information is contained in each one?
@@ Line 169: / Line 169: @@
 <html><small></html>
-For searching within manual there is also the ''apropos //what//'' command that searches within page names and titles.
+For searching within manual there are also the ''apropos //what//'' and ''man -k //what//'' commands that search within page names and titles.
 Apart from ''man'', there is an alternative (and less popular) documentation system called ''info''. To see an Info page, type ''info //name//''. Some programs ship with a more detailed Info document than manual page.
@@ Line 263: / Line 263: @@
 To change directory the command **''cd [//target//]''** is used. If no target is provided, ''cd'' changes current directory to the home directory.
 \\
-<html><small></html>If ''-'' is uses as the target, the directory is changed to the previously visited. <html></small></html>
+<html><small></html>If ''-'' is used as the target, the directory is changed to the previously visited. <html></small></html>
 ~~Exercise.#~~ Enter ''.config'' directory (located in your home directory) and list files within.
@@ Line 323: / Line 323: @@
 ~~Exercise.#~~ Change directory to ''/usr/bin/'' directory. List all files that end with ''cat''.
-~~Exercise.#~~ List all files that end with ''cat'' in ''/usr/bin/'' while being in your home directory.
+~~Exercise.#~~ Change directory to your home directory. From there, list all files that end with ''cat'' in ''/usr/bin/''.
-~~Exercise.#~~ List all files that are in the ''/usr/bin/'' directory that have names consisting of two chatacters.
+~~Exercise.#~~ List all files that are in the ''/usr/bin/'' directory that have names consisting of two characters.
 ~~Exercise.#~~ List contents of ''/usr/share/zoneinfo/'' and its subdirectories using a single command.