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

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

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

423 How to copy with cp to include hidden files and hidden directories and their contents? 2009-10-27T19:46:06.483

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

308 How can I make chown work recursively? 2011-03-22T16:29:12.640

302 How can I search the bash history and rerun a command? 2009-07-17T19:23:49.733

283 less command with multiple files: How to navigate to next/previous 2009-11-16T09:54:16.117

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

241 How can I find files that are bigger/smaller than x bytes? 2010-10-28T23:09:03.383

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

224 What is the Windows equivalent of the Unix command cat? 2012-06-10T07:22:07.960

214 How can I change to the previous directory instead of going up? 2011-08-17T20:18:17.287

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

206 Choosing between .bashrc, .profile, .bash_profile, etc 2014-07-29T03:14:18.873

200 How far will you get with an 'rm -rf /' command? 2011-07-20T13:48:09.437

191 What's different between Ctrl+Z and Ctrl+C in Unix command line? 2011-03-27T00:39:57.177

179 How to find files with certain text in the Terminal 2010-07-13T09:42:08.147

163 ls-command: how to display the file size in megabytes? 2010-09-20T11:20:48.627

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

155 How do I set up SSH so I don't have to type my password? 2009-07-18T16:51:50.640

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

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

142 List the current folder folder's sizes with the terminal? 2010-08-03T17:58:26.630

133 Is there a way to see any tar progress per file? 2010-07-28T11:51:37.173

126 Bash: Spaces in alias name 2010-02-05T22:35:30.723

121 Unix zip directory but excluded specific subdirectories (and everything within them) 2011-07-19T10:19:13.253

120 What's the quickest way to count the number of each character in a file? 2012-10-10T11:10:07.800

119 which/whereis differences 2009-09-12T20:12:30.167

117 What is the "wheel" user in OS X? 2010-09-23T14:58:38.163

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

107 How to start vim without executing /etc/vimrc? 2010-05-13T21:01:43.190

106 What is the .bashrc file? 2009-09-30T15:54:44.903

103 How do I reload .inputrc? 2011-02-03T11:31:14.843

97 What does the 'rc' in `.bashrc`, etc. mean? 2010-08-07T14:41:17.687

96 How to sort first directories then files etc… when using “ls” in Unix 2010-02-16T13:13:29.423

96 How do file permissions apply to symlinks? 2011-06-27T20:42:19.587

90 How to copy a file in unix without altering its last modified time? 2010-02-27T11:13:48.207

89 Unix: How to unsplit in screen 2011-02-09T08:29:24.397

88 Why does Windows use backslashes for paths and Unix forward slashes? 2010-08-16T13:37:39.620

88 What is effect of CTRL + Z on a unix\Linux application 2012-09-13T12:51:29.600

87 How does one switch between windows on VIM? 2011-05-07T17:59:23.013

87 How can I trigger a notification when a job/process ends? 2011-10-11T20:22:56.623

86 What is the origin of the UNIX $ (dollar) prompt? 2009-10-19T23:11:47.117

86 How to make new file permission inherit from the parent directory? 2010-06-12T04:06:50.127

84 How to run Unix commands from within Vim? 2011-05-18T23:05:51.113

83 How do I gunzip to a different destination directory? 2010-05-09T23:15:23.850

81 'less' command clearing screen upon exit - how to switch it off? 2010-02-09T11:21:00.057

81 Copy a directory on Unix 2010-12-15T15:45:40.463

79 How do I list the groups that a UNIX user is a member of? 2010-07-26T19:09:49.470

77 How to gzip multiple files into one gz file? 2011-03-29T01:22:26.120

76 PowerShell equivalent to the Unix `which` command? 2009-09-02T18:55:42.960

76 How can I find the oldest file in a directory tree 2013-02-15T16:06:04.533

74 Does rm -rf follow symbolic links? 2012-01-25T16:39:39.260

71 On Linux/Unix, does .tar.gz versus .zip matter? 2010-05-29T18:59:49.773

71 downloading file using scp command 2012-01-04T14:00:56.383

71 How to close a tmux session 2014-07-05T10:19:22.747

70 Check if any of the parameters to a bash script match a string 2010-09-08T19:28:14.553

70 Find out if user name exists 2011-09-16T07:28:07.387

70 Why is "Everything is a file" unique to the Unix operating systems? 2011-12-03T05:12:33.750

69 What does load average mean on Unix/Linux? 2009-08-16T23:03:46.490

69 Which is more efficient - tar or zip compression? What is the difference between tar and zip? 2010-08-09T12:32:27.150

68 What command do I need to use to remove a file called `-rf`? 2010-10-05T22:06:31.907

67 What's the difference between one-dash and two-dashes for command prompt parameters? 2011-12-28T07:02:51.943

66 What commands can I use to reset and clear my terminal? 2010-03-22T20:56:15.597

65 Can I monitor a local unix domain socket like tcpdump? 2012-10-07T20:23:08.093

62 How do I clear out the ssh-agent entries (on Mac OS X )? 2011-04-16T14:54:00.543

62 Is Unix not a PC operating system? 2012-03-28T22:10:25.383

62 What is the relationship between Unix, Linux, Ubuntu, Debian and Android? 2014-09-24T09:27:55.233

60 How to copy a file without using scp inside an ssh session? 2011-06-01T08:57:30.073

60 less is more? Is more less? I'm so confused 2011-07-13T15:59:16.360

57 How do I get the mx records for a domain from *nix command line? 2009-09-20T14:50:47.617

57 Compress files from OS X terminal? 2012-11-13T13:43:57.503

51 What does the command "sudo !!" mean? 2011-02-19T18:54:40.110

51 How can I sort all files by size in a directory? 2011-12-16T21:16:01.583

49 Is there a way to edit files inside of a zip file without explicitly extracting them first? 2013-09-19T17:58:10.040

49 How many cores does my Mac have? 2016-07-15T15:45:26.193

48 How to UNIX sort by one column only? 2009-08-31T16:20:22.447

48 count lines in a compressed file 2010-04-27T07:37:14.370

48 How does Unix search for executable files? 2011-01-28T16:28:54.587

48 How do I password protect a .tgz file with tar in Unix? 2011-12-21T19:00:31.360

47 How do you find the parent process of a zombie process? 2010-05-04T13:18:56.547

47 How can I concatenate two files in Unix? 2011-01-04T09:13:34.387

46 Delete files with regular expression 2012-02-22T18:07:35.050

45 How can I prepend a line number and tab to each line of a text file? 2009-07-21T16:30:41.993

45 How to mass prepend text to file names? 2012-10-11T16:39:13.080

45 Does rsync delete files, folders at destination by default? 2014-03-18T23:09:39.330

44 How to run commands as in a queue 2010-12-09T23:08:51.270

44 Allow specific user permission to read/write my folder 2011-01-19T18:05:56.637

44 Difference between /etc/crontab and "crontab -e" 2011-05-29T04:58:58.640

44 ps: How can i recursively get all child process for a given pid 2011-11-30T21:25:19.460

43 How are PID's generated? 2010-04-26T14:08:59.810

43 Ubuntu shutdown fail "* Killing all remaining processes..." 2011-11-23T02:33:05.297

42 Mac OS X: at command not working 2009-09-19T04:24:09.067

42 Is there an equivalent to /dev/null in Windows? 2010-04-24T03:57:43.943

42 Understanding top command in unix 2013-03-29T11:23:39.860

41 What is the general consensus on "Useless use of cat"? 2011-08-14T18:07:41.100

41 How to split big files on MAC? 2011-11-28T11:34:40.853

40 How to make Emacs read buffer from stdin on start? 2009-08-28T15:10:02.943