>Once again, I am sharing a few good commands with you.

a) Run command in a subshell
$(cd /tmp && ls)

# You will see the contents of /tmp but will stay in PWD only.

b) Reusing cscope database
$cscope -d

c) If you default shell is csh, and you want to move to bash as soon as you login
– Create a file .cshrc in your home directory.
– Edit and add “bash”
– Save and exit.

d) vi can help you see a split screen with two or more files. Try :vsplit.

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