Dr. Hanif Durad 2
Lecture Outline (1/2)
Login Through Putty
Reading Date from system
Changing Password
Taking Calendar
UNIX Name You are Using
Who Logged on the System
User id
The Basics: Moving Around Directories
Logging out
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Guidelines and tips
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Introduction to Linux-Linux-Lecture Slides, Slides of Linux skills
This lecture was delivered by Dr. Hanif Durad at Pakistan Institute of Engineering and Applied Sciences, Islamabad (PIEAS) for Linux workshop. It includes: Linux, Login, Through, Putty, Reading, Date, Taking, Calendar, UNIX, Logging, Out, File, System, Layout
Typology: Slides
2011/2012
1 / 57
This page cannot be seen from the preview
Don't miss anything!
Related documents
Partial preview of the text
Download Introduction to Linux-Linux-Lecture Slides and more Slides Linux skills in PDF only on Docsity!
Dr. Hanif Durad
Lecture Outline (1/2)
Login Through Putty
Reading Date from system
Changing Password
Taking Calendar
UNIX Name You are Using
Who Logged on the System
User id
The Basics: Moving Around Directories
Logging out
Dr. Hanif Durad
Lecture Outline (2/2)^
Linux File System Layout
File Permissions
tar command
Linux Built-in Compilers
Job Control & Monitoring Processes
Basic Shell Script
Environment variables
Reading Date from system[hanif@lgpc-01 ~]$ dateThu Mar 1 10:39:38 PKT 2012
Dr. Hanif Durad
Changing Password[hanif@lgpc-01 ~]$ passwdpasswd:
Changing password for hanif
Old Password:New Password:Re-enter Password:In this way your old password is changed.
Dr. Hanif Durad
UNIX Name You are Using
[hanif@lgpc-01 ~]$ unameLinux[hanif@lgpc-01 ~]$ uname -aLinux lgpc-01.pieas.labgrid 2.6.32-131.0.15.el6.x86_
#1 SMP Sat May 21 10:27:57 CDT 2011 x86_64x86_64 x86_64 GNU/Linux
Dr. Hanif Durad
Who Logged on the System
[hanif@lgpc-01 ~]$ whoasif
pts/
hanif
pts/
[hanif@lgpc-01 ~]$ w
10:58:48 up 6 days, 20:48, 2 users, load average: 0.13, 0.16, 0. USER
TTY
FROM
LOGIN@
IDLE
JCPU
PCPU
WHAT
asif
pts/
0.00s 0.00s -bash
hanif
pts/
0.00s 0.08s 0.00s w
Dr. Hanif Durad
The Basics: Moving Around
pwd: print working directorycd : change working directory~ : home directory. : current directory/ : root directory, or directory separator.. : parent directory
Hisham, P-
Dr. Hanif Durad
Logging out[hanif@lgpc-01 ~]$ exit
Dr. Hanif Durad
File & Directory Basics
Dr. Hanif Durad
Files Types
Ordinary files.
Text files
Data files
Command files
Executable files
Directories.
Special device files.
Links
Dr. Hanif Durad
Dr. Hanif Durad
Linux File System Layout (2/3)
Ummi-Hani, P-23/
Linux File System Layout (3/3)
[hanif@lgpc-01 ~]$ ls /bin
dev
lib
media net
root
srv
tmp
boot
etc
lib
misc
opt
sbin
storage usr
cgroup home lost+found mnt
proc selinux sys
var
Dr. Hanif Durad
Looking at file(s)
[hanif@lgpc-01 ~]$ cat han1.txtThis is my first file.[hanif@lgpc-01 ~]$ more han1.txtThis is my first file.[hanif@lgpc-01 ~]$ head han1.txt[hanif@lgpc-01 ~]$ tail han1.txt
Dr. Hanif Durad
Listing files (1/6)
Use ‘ls’ command for listing the directory contents[hanif@lgpc-01 ~]$ ls
Without any arguments ls lists the files ofcurrent directory in alphabetical order.
Dr. Hanif Durad