Hello @ravi999985 It depends on what you are doing. 1.For any one using SAS EG for using SAS on a UNIX server, a very minimal knowledge of UNIX is sufficient (case sensitivity, file /path conventions etc, may be ssh/scp).
2.For someone using the Unix shell to write and execute SAS code, write/use shell scripts then a good working knowledge of the shell (BASH/KSH whichever that is being used) is needed. Focus on developing a knowledge of shell scripting/programming rather than memorizing a few commands.
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