To check any command’s full manual man commande name
To check system’s memory free
To check free disk space in Kb df
To check free disk space in Mb df –m
To check free disk space in Gb df -h
To see all mount points df
To check memory in Mb free
–m
To check memory in Gb free -g
To check any command’s full manual man command’s name
To check any command’s info info
command’s name
Enter first letter of any command & press tab button
twice then press y it will show all commands starting with given letter
To exit particular command q
To exit from a command ctrl + z
To exit from a command ctrl + c
To check linux distribution name uname
To see detailed info about linux uname –a –all
To see user name whoami
To see user info in detail who am i
To use linux as root su root
ls –l | more
This will show page by page listed commands
You can’t page up in this command
Only page down is allow
Press page down button or space button to scroll down in
above command
ls –l | less
it will show line by line and You can up and down all info
line by line
to copy a file cp
source /destination path
to copy a file forcefully cp –r source /destination path
to copy and rename file cp r source /destination path/new name of file
.
