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- ac
ac prints out statistics about users' connection times in
hours based on the logins and logouts in the current /var/log/wtmp file. ac is
also capable of printing out time totals for each day (-d option), and for each
user (-p option). - accton
accton is used to turn on or turn off process accounting.
The file is normally executed at system bootup or shutdown via system init
scripts. - last
last goes through the /var/log/wtmp file and prints out
information about users' connection times. - sa
sa summarizes accounting information from previously
executed commands, software I/O operation times, and CPU times, as recorded in the
accounting record file /var/account/pacct. - lastcomm
lastcomm prints out the information about all previously
executed commands, recorded in /var/account/pacct.
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| Random Linux Commands |
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Hacker
A slang term for a computer enthusiast, i.e., a person who enjoys learning programming languages and computer systems and can often be considered an expert on the subject(s). Depending on how the term is used it can be either complimentary or derogatory, although it is developing an increasingly derogatory connotation. The netative sense of hacker is becoming more prominent largely because the popular press has adopted the term to refer to individuals who gain unauthorized access to computer systems for the purpose of stealing and corrupting data. Hackers, themselves, maintain that the proper term for such individuals is "cracker".
Common Linux terms
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