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git-svn-id: svn+ssh://atelier.inf.usi.ch/home/bevilj/group-1@257 a672b425-5310-4d7a-af5c-997e18724b81
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Claudio Maggioni 2018-11-18 20:58:49 +00:00
parent 7fa66a07d5
commit edad441f9f
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19
site/pages/cmd/advanced/vi.html
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@ -8,35 +8,46 @@ title: vi
previous-page: pages/cmd/advanced/tr.html
next-page: pages/cmd/advanced/wc.html
---
<p>
The default editor that comes with the UNIX operating system is called
<code>vi</code> (visual editor).<br>
The UNIX vi editor is a full screen editor and has two modes of operation:
</p>
<ol>
<li>Command mode commands which cause action to be taken on the file</li>
<li>Insert mode in which entered text is inserted into the file.</li>
</ol>
<p>
In the command mode, every character typed is a command that does
something to the text file being edited; a character typed in the
command mode may even cause the vi editor to enter the insert mode.<br>
command mode may even cause the vi editor to enter the insert mode.
</p>
<p>
In the insert mode, every character typed is added to the text in the
file; pressing the {Esc} (Escape) key turns off the Insert mode.<br>
file; pressing the {Esc} (Escape) key turns off the Insert mode.
</p>
<p>
While there are a number of vi commands, just a handful of these
is usually sufficient for beginning vi users. To assist such users,
this Web page contains a sampling of basic vi commands. The most
basic and useful commands are marked with an asterisk (* or star)
in the tables below. With practice, these commands should become
automatic.<br>
automatic.
</p>
<p>
Both UNIX and vi are <b>case-sensitive</b>. Be sure not to use a
capital letter in place of a lowercase letter; the
results will not be what you expect.<br>
results will not be what you expect.
</p>
<h3>How to start <code>vi</code></h3>
<p>
To use vi on a file, type in vi filename. If the file named
filename exists, then the first page (or screen) of the file
will be displayed; if the file does not exist, then an empty

5
site/pages/cmd/basic/4-man.html
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@ -8,6 +8,7 @@ title: man
previous-page: pages/cmd/basic/3-ls.html
next-page: pages/cmd/basic/5-open.html
---
<p>
The <code>man</code> tool allows you to explore the various utilities
of the Shell. To search for more information about a command, just write</p>
@ -15,11 +16,13 @@ of the Shell. To search for more information about a command, just write</p>
man command-name
</pre>
<p>
As result, a new session will be opened with information about the command
you have typed (and more specifically about its functions and flags).<br>
Using some flags, you can obtain with this command the same results you get
when you use other commands.<br><br>
when you use other commands.
</p>
<h3>Flags</h3>

15
site/pages/cmd/basic/6-more-less.html
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@ -8,25 +8,31 @@ title: more and less
previous-page: pages/cmd/basic/5-open.html
next-page: pages/cmd/basic/7-clear.html
---
<p>
Both commands show the content of one or more files and it’s possible to do a research with
particular flags, but the “less” one allows us to go also backwards while reading the text
of a file.<br>
More is quite old, less is more recent and powerful.<br>
General syntax for both is:<br>
General syntax for both is:
</p>
<pre>
less [flags] path/name-file.*
more [flags] path/name-file.*
</pre>
<p>
The command <code>less</code> provides some useful commands to navigate and modify the file content.
Commands does not include flags, which are included under Options.<br><br>
Commands does not include flags, which are included under <i>Options</i>.
</p>
<h3>Commands</h3>
<p>
Such commands must be used once the file has been displayed.
They are not flags. For a single operation there can be multiple commands.
</p>
<ul>
<li><code>ENTER RETURN e ^E j ^N CR </code>:
@ -51,13 +57,14 @@ They are not flags. For a single operation there can be multiple commands.
<h3>Jumping</h3>
<p>
Such commands must be used once the file has been displayed.
They are not. For a single operation there can be multiple commands. </p>
<ul>
<li><code> g < ESC-&lt; </code>:
<li><code> g &lt; ESC-&lt; </code>:
Go to line N, by default 1, if N is not specified.</li>
<li><code> G > ESC-&gt; </code>:
<li><code> G &gt; ESC-&gt; </code>:
Go to line N, by default the last one , if N is not specified.</li>
<li><code> t </code>:
Go to the (N-th) next tag. </li>

2
site/pages/cmd/interm/base64.html
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@ -38,7 +38,7 @@ number, line breaks are added every specified "number" characters.
base64 -b number path/input.file path/output.file
</pre>
By leaving the number field empty, an unbroken stream will be generated.<
By leaving the number field empty, an unbroken stream will be generated.
<h3>Decode Base64</h3>
Using the <code>-D</code> flag (which stands for decode), you obtain as

1
site/pages/cmd/interm/neofetch.html
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@ -9,6 +9,7 @@ previous-page: pages/cmd/interm/mount.html
next-page: pages/cmd/interm/pass.html
---
<p>
Neofetch is a fast, higly customizable system info script. a CLI system
information tool written in BASH. Neofetch displays information about your
system next to an image, your OS logo, or any ASCII file of your choice.</p>

2
site/pages/cmd/interm/pass.html
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@ -29,7 +29,7 @@ system clipboard, erasing them after a certain number of seconds (usually
<p>
<code>pass</code> has many unofficial GUI clients and migration scripts from
other password managers. For more information, check out
<a href=https://www.passwordstore.org/">the official website</a>.
<a href="https://www.passwordstore.org/#other">the official website</a>.
</p>
<h3>Setup</h3>

17
site/pages/cmd/interm/strings.html
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@ -5,16 +5,19 @@ category-title: Intermediate commands
tags: strings read binaries file
author: Marco Farace
title: strings
previous-page: pages/cmd/interm//ssh.html
next-page: pages/cmd/interm//sync.html
previous-page: pages/cmd/interm/ssh.html
next-page: pages/cmd/interm/sync.html
---
<p>
The strings command returns each string of printable characters (ASCII)
in files. Its main uses are to determine the contents of and to extract text
from binary files (i.e., non-text files). From the Shell manual: "find the
printable strings in a object, or other binary, file".<br>
printable strings in a object, or other binary, file".
</p>
Strings can be used to extract character information and string of a given lenght
<p>
Strings can be used to extract character information and string of a given length
from text file(s). When used without any options, strings displays all strings
that are at least four characters in length in the files whose names are
supplied as arguments (i.e., input data). Strings that are on separate lines
@ -22,13 +25,15 @@ in the input files are shown on separate lines on the screen, and an attempt
is made to display all strings found on a single line in a file on a single
line on the screen (although there may be a carryover to subsequent lines in
the event that numerous strings are found on a single line). strings looks in
all sections of the object files except the (__TEXT,__text) section.<br>
all sections of the object files except the (__TEXT,__text) section.
</p>
<pre>
strings [options] file_name(s)
</pre>
<h3> Flags <h3>
<h3>Flags</h3>
<ul>
<li>-n: Specify the minimum string length, where the number argument is
a positive decimal integer. The default is 4.</li>

4
site/pages/cmd/interm/sync.html
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@ -8,13 +8,15 @@ title: sync
previous-page: pages/cmd/interm/strings.html
next-page: pages/cmd/interm/tar.html
---
<p>
The <code>sync</code> utility force the completion of pending disk writes.</p>
<pre>
sync
</pre>
<p>
This command can be used to verify that there are no pending disk writes,
so that all the operations are completed, before the processor is stopped by other
commands.
</p>