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Abdul Al Hazred's user avatar
Abdul Al Hazred's user avatar
Abdul Al Hazred's user avatar
Abdul Al Hazred
  • Member for 9 years, 2 months
  • Last seen more than 6 years ago
1633 votes
16 answers
3.5m views

How do I get the size of a directory on the command line?

307 votes
4 answers
385k views

What is the meaning of IFS=$'\n' in bash scripting?

90 votes
5 answers
233k views

How to put a newline special character into a file using the echo command and redirection operator?

72 votes
3 answers
78k views

What is the meaning of read -r?

56 votes
1 answer
33k views

In which situations are PS2, PS3, PS4 used as the prompt?

56 votes
6 answers
77k views

How can I make a graphical plot of a sequence of numbers from the standard input?

47 votes
4 answers
140k views

How to check if a shared library is installed?

32 votes
2 answers
52k views

Is it possible to access to the framebuffer in order to put a pixel on the screen from the command line?

21 votes
4 answers
2k views

Is it possible to redirect the output of a command into more than one command?

20 votes
3 answers
32k views

How to exclude the folders proc and sys from search with find command ?

20 votes
4 answers
3k views

How can I implement a circular flow of data among interconnected commands?

16 votes
3 answers
64k views

How to display only the last line of a listing ?

16 votes
1 answer
91k views

Is there a standard directory in Linux where my driver files are stored?

15 votes
1 answer
6k views

Why does the echo command do not work with at command?

15 votes
4 answers
48k views

What is the meaning of ls -d?

15 votes
1 answer
21k views

How to tell xargs which argument to choose ? [duplicate]

12 votes
1 answer
6k views

How to perform the watch command onto expression with pipes?

11 votes
0 answers
853 views

What is the purpose of sockets in layman terms? [duplicate]

11 votes
2 answers
4k views

How to access the second argument from the last command in the history ?

9 votes
2 answers
11k views

How to pick a random element from the output of a command?

9 votes
1 answer
80k views

How to find all JPG files on the file system when .jpg extension is not obligatory ? [duplicate]

9 votes
2 answers
83k views

How do I get a list of all directories and files with absolute paths each line?

8 votes
3 answers
3k views

Can not evoke watch command with non-integer time option

7 votes
3 answers
1k views

How do I use the regular pattern operator {m,n} in grep?

7 votes
7 answers
396 views

What is the purpose of having two variables ($@,$*) to transmit the arguments of a command into a script? [duplicate]

6 votes
4 answers
4k views

How do I move all the files with the same name scattered through the file system into one folder?

5 votes
2 answers
21k views

What is the meaning of the number displayed by echo $$?

5 votes
4 answers
3k views

How to fill a file with a stream from /dev/urandom with a specified number of lines ?

5 votes
1 answer
551 views

How to copy a file several times into randomly choosen paths within the filesystem?

5 votes
3 answers
5k views

Difficulty converting from binary to hexadecimal using bc