How to check a document for double words

One of the things that diction looks for is doubled words−−words repeated twice in a row. If it finds such a sequence, it encloses the second member of the doubled pair in brackets, followed by a right arrow and the text `Double word', like `this [<i>this −> Double word.]'.




How to count words,letters,lines in a file

Give the name of a file as an argument; if none is given, wc works on standard input. By default, wc outputs three columns, displaying the counts for lines, words, and characters in the text.




Linux system directories

Depending on your Linux Distro , e.g. Suse,RedHat,Fedora,Ubuntu,Debian the structure of system directories may vary.




How to schedule shutdown or reboot on Linux

Even if you are using Linux Server edition, or Dekstop Edition you can shutdown your Computer or Server from shell.

Simply as root (or with sudo) type reboot , or halt and the computer will reboot or halt, emmediately. The command shutdown offers more flexibility with many more options for shutdown,halt,turn off,reboot...




How can I change the operating system that LILO boots on default

There are typically two sections in the file /etc/lilo.conf. One starts with "image=" and it is relevant to Linux, the other starts with "other=" and this is the dos/win section. The first to appear in /etc/lilo.conf is booted by default. So to change the system that boots on default, swap the sections. Don’t forget to re-run the command lilo after any changes to /etc/lilo/conf .




Common Linux commands--system info

The most important commands helping you to explore your system's information are shown in the below table.




How to retrieve root password

Even if I never forget any passwords, I would still study this issue in detail because it can give me a hint on how my mother might be reading my ICQ chats history :-)




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