File system In REDHAT

(/) contains

• Boot-Contains boot file
• etc-configuration file
• bin-Privileged commands(binary)
• sbin-Non privileged commands(system binary)
• root-a super user(profile)
• val-log files
• dev-devices details of hardware
• opt-plugins
• net-network(it contains network data)
• mnt-Removable media mount
• proc-read only files
• user-documentation about the user
• Home-/home contains profile for each normal user
• lib-command need this to be executed

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Posted in File system In REDHAT, linux, redhat, switch user

Create a file in Redhat

In this page i am just gonna trach you how to create a file in Redhat using the Terminal
so seat tight

Create a File

• type touch (file name)
• Then type ls (shows the list of files)
• then type Cat > (file name)
• Enter file data (eg.your name,DOB,Contact number, etc)
• then type ls

To show the file data 

type Cat (File name)



important notes:-
Logout command will only work when use "-" during the SU commands
(su - student)

without "-" we have to use the exit command to logout

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Posted in create, file, learn, linux, online, redhat, switch user

Chapter 1 Basics

Before going to red hat we should learn about run levels
run levels are the commands
run levels

init0 - To shut-down
init1- Single user mode{password recovery}
init2- Multi user mode without NFS
init3- Multi User mode with NFS
init4- Multi User mode with NFS(IN GUI MODE)
init5- Multi User mode with NFS(DEFAULT RUN LEVEL)
init6- REBOOT

So first of all we will learn How to change a password

• Reboot Your System (Alt+Clt+Delete)
• In the OS selection Press E to Edit
• In the kernel version again press E
• Then Type (SPACE) 1
• Then Press B
• Type passwd (User-name)
• Type and Re-type the new password

Some Basic Commands 

• date (show current system date)
• date -s (to set date)
• cal (calender)
• cal -y (shows entire year)
• cal -m(calender shows monday as first day of week)
• cal -s (sunday as the first day of the week)
• cal -j (shows the julien calender)
• cal -3 (shows current month with before and after)

Helping Commands

• Man (command name)
• info (command name)
• Whatis (command Name)
• (Command)   --help

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Posted in basics, free, learn.online, linux, redhat