X Tian's user avatar
X Tian's user avatar
X Tian's user avatar
X Tian
  • Member for 11 years
  • Last seen more than a week ago
  • Colchester, United Kingdom
95 votes
Accepted

How to send data to a serial port and see any answer?

71 votes
Accepted

Anyway to navigate percentage-wise in vim?

32 votes

What's ssh port forwarding and what's the difference between ssh local and remote port forwarding

26 votes

Why is iterating over a file twice faster than reading it into memory and computing twice?

17 votes

get approximate size of directory (recursively including all files and sub-directories)

17 votes

How to find the path of a file based on its name?

16 votes

Why can't I run GUI apps as root: "No protocol specified"?

15 votes
Accepted

Why does GDB need the executable as well as the core dump?

15 votes

How does word count work for newline (-l)? Number of newlines or lines

13 votes

Batch renaming files

12 votes

how to emulate "replace a b b a" with a sed?

12 votes
Accepted

Awk regular expression syntax with number of repetition - different handling between gawk 3 and gawk 4

11 votes

How can I listen to communication between a process and a serial port?

11 votes

Why 'echo $0' gives different result for two different terminals?

11 votes
Accepted

nginx logrotate error on cron job

10 votes
Accepted

How to use lsof to identify incoming TCP connections?

10 votes

Program output redirection

10 votes

Where is a named semaphore stored?

9 votes

ssh, sudo, then download?

9 votes
Accepted

Why (and how) did using cat on binary files mess up the terminal?

9 votes

How to get a list of applications associated with a file using command line

8 votes

Order of redirections

8 votes
Accepted

solution to rotate log files

7 votes

Batch renaming of files

6 votes

Keep NumLock always on

6 votes

Cannot connect to X server :0.0 as superuser

6 votes
Accepted

Can you provide an example use for `zrun`?

6 votes
Accepted

change file size format when using stat

6 votes

How to restrict a user to one folder and not allow them to move out his folder

6 votes

How to get information about files being copied to my machine by remote rsync command?

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