user avatar
user avatar
user avatar
Stéphane Chazelas
  • Member for 9 years, 8 months
  • Last seen this week
  • Former European Union
910 votes
Accepted

Why is printf better than echo?

495 votes

Why not use "which"? What to use then?

459 votes

What does "LC_ALL=C" do?

382 votes
Accepted

How do I trim leading and trailing whitespace from each line of some output?

342 votes
Accepted

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

318 votes

How to export variables from a file?

303 votes
Accepted

Why do I need a tty to run sudo if I can sudo without a password?

299 votes
Accepted

ssh-add complains: Could not open a connection to your authentication agent

281 votes
Accepted

How to tell gzip to keep original file?

263 votes
Accepted

Security implications of forgetting to quote a variable in bash/POSIX shells

249 votes
Accepted

Sort based on the third column

224 votes
Accepted

How to make `sudo` preserve $PATH?

220 votes

How to determine where an environment variable came from?

207 votes
Accepted

How to stop the find command after first match?

206 votes
Accepted

When was the shellshock (CVE-2014-6271/7169) bug introduced, and what is the patch that fully fixes it?

182 votes
Accepted

Find and remove large files that are open but have been deleted

168 votes
Accepted

The result of ls * , ls ** and ls ***

160 votes

Simple way to create a tunnel from one local port to another?

159 votes
Accepted

What is the difference between "cat file | ./binary" and "./binary < file"?

153 votes
Accepted

How do you use the command coproc in various shells?

151 votes
Accepted

Understanding "IFS= read -r line"

141 votes
Accepted

`find` with multiple `-name` and `-exec` executes only the last matches of `-name`

139 votes

Copy the contents of a file into the clipboard without displaying its contents

134 votes

Remove last character from line

130 votes

remove particular characters from a variable using bash

120 votes
Accepted

Why is looping over find's output bad practice?

119 votes
Accepted

What is the purpose of the "do" keyword in Bash for loops?

119 votes

How can I use column to delimit on tabs and not spaces?

113 votes
Accepted

How to run grep with multiple AND patterns?

113 votes
Accepted

List all available ssl ca certificates

1
2 3 4 5
227