Perl

How do I run “foo” command 10 times (or n times) under Linux or UNIX like operating systems?

{ 8 comments }

I‘ve over 1000’s of files starting with _ character as follows:

_file1.txt
_foo1.txt
_2424.txt
_bar10000.txt

How do I remove the first character from a file name:

file1.txt
foo1.txt
2424.txt
bar10000.txt

{ 13 comments }

How do I install PostgresSQL interface for perl for programming purpose under Redhat / RHEL / Fedora / CentOS Linux?

{ 1 comment }

How do I convert Epoch seconds to the current time under UNIX or Linux operating systems?

{ 5 comments }

Q. How do I find out which table is consuming resources under MySQL Database server from UNIX shell prompt?

{ 3 comments }

I’m just starting in vim text editor but I’m annoying typing and retyping similar statements. Can you address me about it?

{ 5 comments }

How do I display lines that are common to file1 and file2 under UNIX / Linux operating system?

{ 18 comments }