Category Archives: Uncategorized

Merge lines of files

Paste command merges lines of files. In one way, it joins two files. Note that join command has different meaning. I will talk about join command some other day. Let us take one example of paste. rahul@rahul-Aspire-4736Z:~$ cat test1.txt 1 2 3 4 5 6 rahul@rahul-Aspire-4736Z:~$ cat test2.txt a b c d e f rahul@rahul-Aspire-4736Z:~$ […]

National Science Day

National Science Day is celebrated on 28th February. Happy Science Day. Today, every common people know what is a Science. There are around 55% of people worldwide which are taking Science education. In todays world, we can get knowledge of anything that we think of. Our scientists have been doing very good work in their […]

profile a startup script

profile file is placed in home directory of a user. It gets executed after login. User can place commands which are executed after login. This is useful when you have to setup something after login like alias for some command or whatever command which you want to execute after login. Note that depending distribution which […]