English | Size: 4.4 GB
Genre: eLearning
What you’ll learn
linux operating system basics
basic linux commands
file and directory management commands
process management commands
linux root file system and hierarchy
Brief overview about linux operating system
Brief Introduction about Linux Operating Systems
History of Linux Operating System
Linux Distributions
Linux Kernel Architecture Fundamentals
Linux Basic Commands
uname – print system information
arch – print machine hardware architecture name
hostid – prints numeric identifier of current host
hostname – print local host name
free – display amount free and used memory in the system
id – prints real and effective user id and group id
logname – prints the user’s login name
whoami – prints the effect user id
users – prints the currently logged in users information
groups – print the groups that a user is in
who – show who is logged in
date – print or set the system date and time
cal – displays a calendar
printenv – print all or part of environment variables
echo – writes argument into standard output
cd – change the current working directory
mkdir – make directories
df – reports file system disk space usage
du – estimates the file space usage
which – shows full path of the command
whatis – displays one line manual page descriptions
whereis – locate the binary, source, and manual page files for a command
sum – checksum and count the blocks in a file
cksum – checksum and count the bytes in a file
md5sum – compute and check MD5 message digest
base64 – base64 encode/decode data and print to standard output
sha1sum – compute and check SHA1 message digest
sha256sum – compute and check SHA256 message digest
sha384sum – compute and check SHA384 message digest
sha512sum – compute and check SHA512 message digest
File and Directory Management Commands
mkdir – make directories
rmdir – remove empty directories
rm – remove files or directories
rm – remove files or directories
reverse search of commands instead of typing in command terminal
cd – change the working directory
basename, dirname – strip directory and suffix from filenames
cp – copy files and directories
mv — move files
ln – make links between files
unlink – call the unlink function to remove the specified file
stat, fstat, lstat, fstatat – get file status
od – dump files in octal and other formats
cat – concatenate files and print on the standard output
tac – concatenate and print files in reverse
nl – number lines of files
head – output the first part of files
tail – output the last part of files
more – file perusal filter for crt viewing
less – opposite of more
grep — search a file for a pattern
tr – translate or delete characters
cut – remove sections from each line of files
Process Management Commands
ps – report a snapshot of the current processes.
pstree – display a tree of processes
uptime – displays system running time
kill – sends a signal to the process
nice – run a program with modified scheduling priority
top – display Linux processes
pmap – report memory map of a process
slabtop – display kernel slab cache information in real time
tload – graphic representation of system load average
lsof – list open files
proc – process information pseudo-filesystem
procinfo – Shows System Statistics from /proc Filesystem
Linux Root File System and Hierarchy
/bin
/boot
/dev
/sbin
/usr
/var
/proc
/sys
/lib
Linux Shell Scripting Basics
Brief Introduction
Simple Shell Script
Shell Variables
Array variables
Arithmetic Operators
If – Decision Making
Relational Operators
Boolean Operators
String Operators
File test operator
Control Loop ( While, For, Until )
Who this course is for:
fresh / beginner / passionate of linux operating systems
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