Useful tips for everyday
How to delete a line with its line number? You can delete a particular single line with its line number by sed -i ’33d’ file…
How do I create a SSH tunnel between servers? Access a server using an SSH tunnel on Windows In the “Connection -> SSH -> Tunnels”…
How are files represented in the tar command? The tar command manipulates archives by writing files to, or retrieving files from an archive storage medium.…
How to use variables in single quoted strings? Variables are expanded in double quoted strings, but not in single quoted strings: If you can simply…
What is patch in Linux kernel? Kernel patch may refer to: Ksplice, an extension of the Linux kernel that allows security patches to be applied…
How do you type special characters on a Dell laptop? By holding down the Alt key and pressing a combination of numbers you can display…
What is the meaning of Logname? In computer software, logname (stands for Login Name) is a program in Unix and Unix-like operating systems that prints…
Who converts the drive from FAT16 to FAT32? Note: Windows 2000/XP/2003 provides NO way to convert NTFS partitions to FAT16/32. Alternatively, you can use 3rd…
How to use user defined functions in AWK? You can create user-defined functions in a awk script file using the func or function keywords. Placement…
How do you shuffle words in a string in python? To randomly shuffle elements of lists ( list ), strings ( str ) and tuples…