Author: Binny V A

Show rpm packages of a group software rpm -qg “System Environment/Daemons”

Use this command to cut off the edges off an image… convert -trim image.jpg output.jpg

Use this command to find all the links in the current directory… find . -lname “*”

Use the help command to get information on built in command… help alias

You can use locate to find files with name that matches a said regexp… locate -i -r ‘\.jpg$’

A Shell Scirpt to Mount ISO files – call it using the command moustiso.sh ImageFile.iso. You need a folder called…

Delete leading whitespace (spaces/tabs/etc) from beginning of each line. Same as yesterday’s command – but using sed cat file.txt |…

Delete leading whitespace (spaces/tabs/etc) from beginning of each line ruby -pe ‘gsub(/^\s+/, “”)’ < file.txt

Use this command to find files of a given mime-type. In this example, we are looking for video files… find…

Show only your processes in the top list using this command… top -u `whoami` OR top -u binnyva(your username)