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Kalyanasundaram Somasundaram
2020-12-09 13:42:54 +05:50
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linux_basics/command_line_basics/index.html
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@@ -1428,16 +1456,16 @@ present inside the root directory stores file related to the system.
These directories in turn can either store system files or application
files or user related files.</p>
<p><img alt="" src="../images/linux/commands/image17.png" /></p>
<p>bin | The executable program of most commonly used commands reside in bin directory<br />
sbin | This directory contains programs used for system administration.
home | This directory contains user related files and directories.
lib | This directory contains all the library files
etc | This directory contains all the system configuration files
proc | This directory contains files related to the running processes on the system
dev | This directory contains files related to devices on the system
mnt | This directory contains files related to mounted devices on the system
tmp | This directory is used to store temporary files on the system
usr | This directory is used to store application programs on the system</p>
<p>bin | The executable program of most commonly used commands reside in bin directory </p>
<p>sbin | This directory contains programs used for system administration.</p>
<p>home | This directory contains user related files and directories.</p>
<p>lib | This directory contains all the library files</p>
<p>etc | This directory contains all the system configuration files</p>
<p>proc | This directory contains files related to the running processes on the system</p>
<p>dev | This directory contains files related to devices on the system</p>
<p>mnt | This directory contains files related to mounted devices on the system</p>
<p>tmp | This directory is used to store temporary files on the system</p>
<p>usr | This directory is used to store application programs on the system</p>
<h2 id="commands-for-navigating-the-file-system">Commands for Navigating the File System</h2>
<p>There are three basic commands which are used frequently to navigate the
file system:</p>
@@ -1629,6 +1657,14 @@ argument to provide the input.</p>
<p><img alt="" src="../images/linux/commands/image10.png" /></p>
<p>In this example, we are only able to see the last 5 lines from the file
when we use the tail command with explicit -n option.</p>
<h3 id="more">more</h3>
<p>More command displays the contents of a file or a command output,
displaying one screen at a time in case the file is large (Eg: log files).
It also allows forward navigation and limited backward navigation in the file.</p>
<h3 id="less">less</h3>
<p>Less command is an improved version of more. It displays the contents of a file or a command output, one page at a time.
It allows backward navigation as well as forward navigation in the file and also has search options.
You can go to the beginning and the end of a file instantly.</p>
<h2 id="echo-command-in-linux">Echo Command in Linux</h2>
<p>The echo command is one of the simplest commands that is used in the
shell. This command is equivalent to what we have <print> in other