cuonglm

Hanoi, Vietnam

http://cuonglm.xyz/

There is more than one way to do it!

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Why is using a shell loop to process text considered bad practice?

shell text-processing asked Nov 24, 2014 at 16:28

unix.stackexchange.com

39 votes

Is `tail -f` more efficient than `less +F`?

tail less asked Mar 31, 2015 at 16:25

unix.stackexchange.com

21 votes

Why some shells `read` builtin fail to read the whole line from file in `/proc`?

linux shell proc read asked May 12, 2016 at 8:22

unix.stackexchange.com

16 votes

Check variable is an array in Bourne like shell?

bash shell zsh ksh yash asked Nov 28, 2015 at 4:04

unix.stackexchange.com

13 votes

What is the point of using multiple exclamation marks in sed?

sed posix asked Jun 22, 2015 at 15:15

unix.stackexchange.com

12 votes

How to make `-n=3` the same as `-n 3` in Perl 6?

perl6 raku asked Jan 26, 2016 at 4:59

stackoverflow.com

9 votes

How to troubleshoot rx_missed_errors?

linux linux-networking asked Jun 30, 2015 at 10:18

serverfault.com

9 votes

Is this tail behavior in Grouping Commands specified by POSIX?

pipe tail posix asked Oct 29, 2015 at 17:18

unix.stackexchange.com

8 votes

Can we force perl always use three argument form of open when running from command line?

perl security asked Nov 29, 2014 at 3:36

stackoverflow.com

7 votes

Why zsh and ksh93 chose to be non-compliant in pattern matching?

shell zsh ksh asked Feb 24, 2016 at 7:26

unix.stackexchange.com

Top Answers

440

Remove all files/directories except for one file

unix.stackexchange.com

370

redirecting to /dev/null

unix.stackexchange.com

286

Finding all large file in /

unix.stackexchange.com

266

Delete the last character of a string using string manipulation in shell script

unix.stackexchange.com

232

How to comment multiple lines at once?

unix.stackexchange.com

191

Generate random numbers in specific range

unix.stackexchange.com

179

Why does Vim indent pasted code wrongly?

unix.stackexchange.com

171

How to integrate mv command after find command?

unix.stackexchange.com

162

Forward SIGTERM to child in Bash

unix.stackexchange.com

160

Replace multiple spaces with one using 'tr' only

unix.stackexchange.com

154

How to find out the dynamic libraries executables loads when run?

unix.stackexchange.com

144

What does the (!) mean after uptime on htop

unix.stackexchange.com

135

Why is 'ls' suddenly wrapping items with spaces in single quotes?

unix.stackexchange.com

131

Difference between ls -l and ll?

unix.stackexchange.com

124

Bash syntax error when "else" follows an empty "then" clause

unix.stackexchange.com

111

Quickest way to rename files, without retyping directory path

unix.stackexchange.com

102

View a range of bash history

unix.stackexchange.com

Is there a way to get the BIOS version from inside Linux?

unix.stackexchange.com

Is there a way to get the min, max, median, and average of a list of numbers in a single command?

unix.stackexchange.com

zsh: How to check if an option is enabled

unix.stackexchange.com

How to switch directly to a pane in Tmux?

unix.stackexchange.com

$_ vs !$. Last argument of the preceding command and output redirection

unix.stackexchange.com

Why doesn't the tilde (~) expand inside double quotes?

unix.stackexchange.com

get environment variable by variable name?

unix.stackexchange.com

Can I chain pgrep with kill?

unix.stackexchange.com

What does grep line buffering do?

askubuntu.com

check if interface eth0 is up (configured)

unix.stackexchange.com

Closing a file descriptor, >&- vs <&-

unix.stackexchange.com

Difference between "command not found" and "no such file or directory"?

unix.stackexchange.com

Understand `compgen` builtin command

unix.stackexchange.com