What does the “echo” command do?
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what is the default permission for /etc/shadow file in UNIX
What is the syntax of grep command and what is its use?
what are the different commands used to view the contents of a file?
What is the difference between pipe (|) and tee command in unix
what is the significance of "su" command?
distinguish between physical addresses and logical address?
Where LOG fiels resides in AIX and pls tel me how to remove the log file
Can you explain a little bit about command substitution?
How do you know about running processes of a particular user?
Which command is used to create a directory?
what is the difference between "cron" command and "at" command?
How to find the files that are accessed before 10 minutes?