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How to save a path in command prompt to recall it later.
How can I save a path to my favorites in command prompt to recall it later?
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Setting kernel parameters
How to set kernel parameters in Red Hat Linux, AIX, & Solaris.
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Usage of source command in unix
What is the use of "source" command apart from running the script in current shell?
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Open Source
What is the meaning of open source? How it is associated with the meaning of heavily documented?
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Masked Code
What is the number of the masked code ee@?
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How to do soft mount ?
Explain any precautions needs to be take before you do soft mount
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What is the use of the command "ls -x chapter[1-5]"?
Ls stands for list; so it displays the list of the files that starts with 'chapter' with suffix '1' to '5', chapter1, chapter2, and so on.
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Is it possible to restrict incoming message?
Yes, using the mesg command.
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What is the difference between cat and more command?
Cat displays file contents. If the file is large the contents scroll off the screen before we view it. So command 'more' is like a pager which displays the contents page by page.
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How is the command “$cat file2 “ different from “$cat >file2
Both the commands mean the same , the file file1 is read and its contents are copied to file2
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Explain the following commands?
$ ls > file1$ banner hi-fi > message$ cat par.3 par.4 par.5 >> report$ cat file1>file1$ date ; who$ date ; who > logfile$ (date ; who) > logfile
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Where is the semaphore stored in UNIX operating system?
Before going into the storage of semaphore it is first vital to know about semaphores. A semaphore is nothing but a term used in UNIX for a variable which acts as a counter. So the next question that comes in mind is what for we need this variable. It’s so simple. The reason is explained below. For instance there may be times when two processes try to access the same file simultaneously. In...
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UNIX Interview Questions
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