cat
program concatenates the contents of files, reading from a list of files and/or standard input in sequence and writing their contents in order to standard output. cat takes the list of files as arguments but also interprets the argument "-" as standard input.
Example: cat filename
who
The Unix command who displays a list of users who are currently logged into a computer. The command accepts various options that vary by system to further specify the information that is returned, such as the length of time a particular user has been connected or what pseudo-teletype a user is connected to. The who command is related to the command w, which provides the same information but also displays additional data and statistics.
Example output
user19 pts/35 Apr 18 08:40 (localhost)
user28 pts/27 Apr 18 09:50 (localhost)
program concatenates the contents of files, reading from a list of files and/or standard input in sequence and writing their contents in order to standard output. cat takes the list of files as arguments but also interprets the argument "-" as standard input.
Example: cat filename
who
The Unix command who displays a list of users who are currently logged into a computer. The command accepts various options that vary by system to further specify the information that is returned, such as the length of time a particular user has been connected or what pseudo-teletype a user is connected to. The who command is related to the command w, which provides the same information but also displays additional data and statistics.
Example output
user19 pts/35 Apr 18 08:40 (localhost)
user28 pts/27 Apr 18 09:50 (localhost)
1 comment:
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