1554 How do I make a machine "blank screen" for a period of time (as a penalty) if certain noise levels are reached? 2013-02-01T17:14:09.170

1422 How can I sort the output of 'ls' by last modified date? 2009-04-09T13:17:20.547

493 Did I just get hacked? 2016-02-01T11:21:48.690

467 How to find a directory on linux? 2009-06-28T17:51:46.333

459 How to execute a command whenever a file changes? 2010-08-27T20:02:40.510

446 How to turn off word-wrap in less 2011-04-19T14:48:26.573

446 What is the "You have new mail" message in Linux/UNIX? 2011-07-04T15:23:42.730

433 View list of files in ZIP archive on Linux 2010-11-30T09:05:54.060

428 When reading a file with `less` or `more`, how can I get the content in colors? 2010-03-09T10:44:32.413

411 Permissions on private key in .ssh folder? 2010-11-26T22:04:58.947

402 How to decompress a .bz2 file 2012-09-28T19:40:38.043

393 How to check which apache modules are enabled/installed? 2011-05-17T19:55:14.807

382 Automatically answer 'Yes' when using apt-get install 2010-07-16T20:34:00.610

377 Reload a Linux user's group assignments without logging out 2011-04-17T19:50:06.473

369 Test if a port on a remote system is reachable (without telnet) 2013-07-19T16:54:10.383

353 How can I resume a stopped job in Linux? 2011-04-08T09:38:29.167

324 How do I compare binary files in Linux? 2010-03-29T15:28:57.730

319 chown is not changing symbolic link 2009-11-09T13:02:39.417

316 How to get the summarized sizes of directories and their subdirectories? 2010-07-11T17:26:29.107

311 How do I detach a process from Terminal, entirely? 2009-03-23T11:59:25.947

308 Go back to previous directory in shell 2010-02-25T06:44:42.983

302 What is the difference between executing a Bash script vs sourcing it? 2009-12-11T15:24:17.607

297 How to clear the contents of a file from the command line? 2010-01-01T01:50:57.193

285 How to append to a file as sudo? 2010-05-01T05:50:00.433

280 If I know the PID number of a process, how can I get its name? 2013-08-17T07:12:47.903

273 How do I exit an SSH connection? 2012-08-28T14:29:59.820

244 How to reliably keep an SSH tunnel open? 2009-09-08T13:04:22.457

240 What's the equivalent of Linux's updatedb command for the Mac? 2010-02-16T15:23:59.240

231 ps aux output meaning 2010-03-09T14:36:11.247

228 How do you gunzip a file and keep the .gz file? 2009-09-23T14:45:19.887

228 How can I list all IPs in the connected network, through Terminal preferably? 2011-03-24T13:27:13.423

228 What do the parentheses and number after a Unix command or C function mean? 2011-06-15T19:17:28.587

218 How to remove systemd services 2012-12-01T02:23:18.907

217 Recursively count all the files in a directory 2010-10-12T21:41:12.947

217 Is it possible to ping an address:port? 2014-06-16T18:17:25.597

211 How do I find out what version of Linux I'm running? 2009-07-22T19:20:02.157

209 What is the advantage of using 'tar' today? 2013-03-14T14:33:41.800

203 Rename screen session 2011-12-22T03:43:41.917

202 Get a list of Open Ports in Linux 2013-01-08T07:34:55.963

201 How do I get an entire directory in sftp? 2009-09-12T21:39:59.043

200 How to convert .ppk key to OpenSSH key under Linux? 2011-01-12T17:56:34.297

199 How can I give write-access of a folder to all users in linux? 2009-08-06T23:30:27.277

196 Why does Ctrl + V not paste in Bash (Linux shell)? 2012-05-07T07:44:30.483

192 Linux unzip command: Option to force overwrite? 2010-01-26T08:48:23.293

190 I accidentally typed password into bash command line 2014-04-02T06:42:06.727

188 How to copy symbolic links? 2010-05-07T04:36:38.103

188 How to have Linux ls command show second in time stamp 2011-11-09T00:47:57.773

183 What to do when Ctrl + C can't kill a process? 2011-02-09T08:49:24.897

181 How can I avoid SSH's host verification for known hosts? 2010-03-29T09:43:00.423

172 Batch converting PNG to JPG in linux 2009-11-16T02:06:38.807

170 How can I find only the executable files under a certain directory in Linux? 2009-09-10T11:56:56.407

169 How do you redirect wget response to standard out? 2011-08-09T22:13:10.083

167 What does the asterisk mean after a filename when you type `ls -l`? 2010-08-21T20:21:57.210

166 Get Last Modified Date of File in Linux 2014-04-03T12:45:56.483

163 Read the contents of a zipped file without extraction? 2012-08-17T10:41:11.970

161 How do I figure out which /dev is a USB flash drive? 2008-09-16T03:51:40.293

157 Is there a way to display a countdown or stopwatch timer in a terminal? 2013-06-24T20:13:51.253

152 When should I use /dev/shm/ and when should I use /tmp/? 2009-09-22T23:26:13.510

152 Unix/Linux find and sort by date modified 2011-06-07T18:23:57.763

152 Remove a certain line from Bash history file 2012-01-31T15:43:03.290

149 How to wipe free disk space in Linux? 2009-08-06T23:48:03.757

149 How to install local .deb packages with apt-get 2010-10-07T08:02:24.980

149 How to specify level of compression when using tar -zcvf? 2011-07-01T18:00:22.243

147 What's like OSX's pbcopy for Linux 2011-05-25T09:08:20.627

146 In vim, how can I quickly switch between tabs? 2012-04-11T01:06:13.453

144 How does Linux know that the new password is similar to the previous one? 2014-12-27T17:22:21.883

142 scp between two remote hosts from my (third) pc 2013-12-10T13:49:06.093

139 Finding the process that is using a certain port in Linux 2009-09-17T18:52:03.637

138 How can I create a non-login user? 2009-12-02T00:47:25.217

138 Show keys pressed in Linux 2011-02-21T15:52:32.137

135 How to check which timezone in Linux? 2011-07-11T04:57:39.527

134 Linux utility for finding the largest files/directories 2009-07-21T06:54:48.307

134 How to move all files from current directory to upper directory? 2009-10-28T18:54:06.357

132 What is the danger of inserting and browsing an untrusted USB drive? 2014-01-30T18:44:56.050

131 What is the difference between yum, apt-get, rpm, ./configure && make install? 2010-03-31T02:27:25.850

131 Linux: find out what process is using all the RAM? 2012-03-09T14:13:35.847

129 How to check the health of a hard drive 2010-08-02T23:23:20.817

129 How to install the real Firefox on Debian? 2011-08-12T14:26:20.247

128 How to identify whether my Linux computer was hacked? 2011-04-20T18:24:50.473

128 Why is Zip able to compress single file smaller than multiple files with the same content? 2015-12-14T17:30:26.230

127 How can I determine what process has a file open in Linux? 2010-01-19T16:08:15.797

127 How do I get out my embedded Windows 8+ key from a Linux environment? 2013-08-29T00:16:59.420

125 How can I create a file with a specific size from a command line? 2013-06-18T11:14:22.880

123 How to delete all files in a directory except some? 2013-01-08T12:17:05.293

121 How to synchronize the home folder between multiple computers? 2009-08-28T18:10:40.223

120 How can I tunnel all of my network traffic through SSH? 2009-10-29T00:51:34.020

120 How to wget a file with correct name when redirected? 2011-06-23T11:44:50.767

119 Which linux filesystem works best with SSD 2011-01-03T17:44:13.010

118 Obtain kernel config from currently running Linux system? 2011-05-23T10:49:38.847

117 How to upload one file by FTP from command line? 2011-08-15T01:40:11.530

117 Linux Bash Script, Single Command But Multiple Lines? 2012-11-21T03:09:10.843

117 Allow non-root process to bind to port 80 and 443? 2014-02-02T05:48:05.860

116 Manually closing a port from commandline 2010-04-06T03:39:57.320

116 Undo an "rm -rf ~" command? 2011-05-05T18:30:54.563

110 How do I configure SSH so it doesn't try all the identity files automatically? 2011-04-09T17:01:40.840

109 How do I unzip a tar gz archive to a specific destination? 2011-10-19T08:15:51.057

108 What does the dot mean at the end of `-rw-r--r--`? How do you set it with `chmod`? 2011-01-08T06:19:02.097

108 Linux / OS X tar incompatibility – tarballs created on OS X give errors when untarred in Linux 2011-08-03T21:47:30.783

108 How to check if I have sudo access? 2013-02-18T19:36:35.767