How many commands are there in linux?
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What happens to hard link when file is deleted?
What is the use of ls command?
Which of the commands will replace all occurrences of the word rate with the word speed in the file racing?
What can you type at a command line to determine which shell you are using?
I lost a root password and i need to give it, I treid to change it through single usermode even though i am not get a password, then what is the other procedure to give a root password?
What are linux commands useful?
What is the command to change from /etc/passwd file to /etc/shadow file?
What is trusted/untrusted operating system?
What is makefile target?
What does the following command line produce? Explain each aspect of this line. $ (date ; ps -ef | awk {print $1}' | sort | uniq | wc -l ) >> Activity.log
How can we increase disk read performance in single command?
if i run ls command it will show me the junk output what is problem and how to resolve it