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63 votes
10 answers
93k views

Can shell variable name include a hyphen or dash (-)?

39 votes
5 answers
156k views

How to pull a file from a server using scp?

35 votes
2 answers
59k views

How to know reason of a process going to sleep state and wake it up?

20 votes
6 answers
139k views

How to search for a word in entire content of a directory in linux

17 votes
7 answers
121k views

How do I add an entry to my crontab?

17 votes
2 answers
69k views

How to see complete list of processes in top

16 votes
2 answers
41k views

Meaning of "* */1 * * *" cron entry?

9 votes
5 answers
3k views

Is there a way to see the permissions of all the intermediate directories of a path..?

6 votes
2 answers
3k views

A question about permissions of hierarchical directories

5 votes
3 answers
6k views

How to determine bitness of hardware and OS?

4 votes
1 answer
274 views

Any cd shortcut to switch an intermediate directory in current path?

4 votes
1 answer
12k views

The TIME field in ps -ef

3 votes
2 answers
12k views

How to start the cron daemon

1 vote
2 answers
242 views

How to log if an environment variable is unset? [closed]

1 vote
3 answers
338 views

How to clean up my desktop?

0 votes
1 answer
3k views

Understanding output of ps -ef on linux