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cuonglm
Hanoi, Vietnam
http://cuonglm.xyz/
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Top Questions
254
votes
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
Is this tail behavior in Grouping Commands specified by POSIX?
pipe
tail
posix
asked Oct 29, 2015 at 17:18
unix.stackexchange.com
9
votes
How to troubleshoot rx_missed_errors?
linux
linux-networking
asked Jun 30, 2015 at 10:18
serverfault.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
1
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Top Answers
405
Remove all files/directories except for one file
unix.stackexchange.com
353
redirecting to /dev/null
unix.stackexchange.com
281
Finding all large file in /
unix.stackexchange.com
260
Delete the last character of a string using string manipulation in shell script
unix.stackexchange.com
222
How to comment multiple lines at once?
unix.stackexchange.com
185
Generate random numbers in specific range
unix.stackexchange.com
172
Why does Vim indent pasted code wrongly?
unix.stackexchange.com
156
How to integrate mv command after find command?
unix.stackexchange.com
151
Forward SIGTERM to child in Bash
unix.stackexchange.com
150
Replace multiple spaces with one using 'tr' only
unix.stackexchange.com
141
How to find out the dynamic libraries executables loads when run?
unix.stackexchange.com
138
What does the (!) mean after uptime on htop
unix.stackexchange.com
133
Why is 'ls' suddenly wrapping items with spaces in single quotes?
unix.stackexchange.com
123
Difference between ls -l and ll?
unix.stackexchange.com
117
Bash syntax error when "else" follows an empty "then" clause
unix.stackexchange.com
110
Quickest way to rename files, without retyping directory path
unix.stackexchange.com
93
Is there a way to get the BIOS version from inside Linux?
unix.stackexchange.com
92
View a range of bash history
unix.stackexchange.com
86
Is there a way to get the min, max, median, and average of a list of numbers in a single command?
unix.stackexchange.com
76
zsh: How to check if an option is enabled
unix.stackexchange.com
72
How to switch directly to a pane in Tmux?
unix.stackexchange.com
67
$_ vs !$. Last argument of the preceding command and output redirection
unix.stackexchange.com
63
Why doesn't the tilde (~) expand inside double quotes?
unix.stackexchange.com
62
Closing a file descriptor, >&- vs <&-
unix.stackexchange.com
61
Difference between "command not found" and "no such file or directory"?
unix.stackexchange.com
61
get environment variable by variable name?
unix.stackexchange.com
60
Can I chain pgrep with kill?
unix.stackexchange.com
59
What does grep line buffering do?
askubuntu.com
59
check if interface eth0 is up (configured)
unix.stackexchange.com
59
How to delete the last column of a file in Linux
unix.stackexchange.com
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