users

users

Print login names of users currently logged in, print on a single line a blank-separated list of user names of users currently logged in to the current host. Syntax users [OPTION]... [FILE] Key --help display this help and exit --version … Continued
uuencode / uudecode

uuencode / uudecode

uuencode – encode a binary file uudecode – decode a file created by uuencode Syntax uuencode [-m] [ file ] name uudecode [-o outfile] [ file ]... Uuencode and uudecode are used to transmit binary files over transmission mediums that … Continued
v

v

Verbosely list directory contents (`ls -l -b')
vdir

vdir

Verbosely list directory contents (`ls -l -b')
vi

vi

Vi is a screen editor for Linux, Unix and other Unix-like operating systems. Pronounced (vee-aye), vistands for visual instrument. It is a widely-used default text editor for Unix-based systems and is shipped with vitually all versions of Unix. To startup vi: vi filename Vi has three main modes Command mode, Insert mode … Continued
vmstat

vmstat

Report virtual memory statistics: processes, memory, paging, block IO, traps, and cpu activity. Syntax vmstat [-a] [-n] [delay [ count]] vmstat [-f] [-s] [-m] vmstat [-S unit] vmstat [-d] vmstat [-p disk partition] vmstat [-V] Options -a Display active/inactive memory, … Continued
w

w

Display who is logged in and what they are doing. Syntax w [-hi] [user ...] Options -h Suppress the heading. -i Output is sorted by idle time. If one or more user names are specified, the output is restricted to … Continued
wait

wait

Wait for each specified process to complete and return its termination status. Syntax wait [n ...] Key n A process ID or a job specification Each n can be a process ID or a job specification; if a job specification is given, … Continued
watch

watch

Execute a program periodically, showing output full screen Syntax watch [options] command options Options -n --interval=n Specify an interval n seconds to run command -d --differences[=cumulative]] Highlight the differences between successive updates -h --help Display Help -v --version Display version … Continued
wc

wc

Print byte, word, and line counts, count the number of bytes, whitespace-separated words, and newlines in each given FILE, or standard input if none are given or for a FILE of `-‘. Syntax wc [options]... [file]... Options -c --bytes --chars … Continued