How can you see the command line history?
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Write a command that will display files in the current directory, in a colored, long format.
distinguish between physical addresses and logical address?
When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?
why unix operating system provides more security than other operating systems?
what is the use of "fg" command ?
How do I run a whois command?
How to find and replace the below command?
In UNIX, what is the command to edit contents of the file?
What is the size of time_t?
Which command is used to kill the last background job?
which command is used to stop a running process in unix?
What is the first character of the output in ls l command?